Abstract: A packaging system with a dual chamber configuration is described. The packaging system is comprised of a primary chamber and a secondary chamber, where the primary chamber and the secondary chamber are in or capable of being in fluidic communication by a channel. The secondary chamber has an upper layer and a lower layer, wherein the lower layer is of a material that opens in response to an applied force that the upper layer is able to withstand, whereupon a fluid, preferably a liquid, in the primary chamber can be dispensed from the packaging system. In one embodiment, the packaging system is integrated with a planar cartridge having one or more chambers for processing a sample for detection of an analyte.

Abstract: A device includes a microfluidic trap disposed along a microfluidic channel, the trap and channel having dimensions to create a fluid vortex within the trap to trap a particle of interest and an electrode having interdigitated electrically isolated fingers positioned in the trap to create an electric field across the trap such that the electric field causes electroporation of a molecule into the particle of interest. A further device includes an array of channels, traps and interdigitated electrically isolated fingers.

Abstract: Various systems, methods, and devices are provided for focusing particles suspended within a moving fluid into one or more localized stream lines. The system can include a substrate and at least one channel provided on the substrate having an inlet and an outlet. The system can further include a fluid moving along the channel in a laminar flow having suspended particles and a pumping element driving the laminar flow of the fluid. The fluid, the channel, and the pumping element can be configured to cause inertial forces to act on the particles and to focus the particles into one or more stream lines.

Abstract: The invention relates to a holder (I O) for receiving and storing laboratory vessels for samples, microorganisms, cell cultures or the like, with a housing (14), at least one receptacle (20) for the laboratory vessels, which receptacle (20) extends along a loading axis (L) in the housing (14) and into which the laboratory vessels can be introduced and can be stacked on top of each other therein, wherein the receptacle (20) in the housing (14) has a loading opening (20a) to permit loading. On an underside (18) arranged remote from the loading opening (20a), the receptacle (20) has an unloading opening (20b), which can be closed by means of a closure mechanism (38) arranged in the housing (14). The invention is characterized in that the closure mechanism (38) is provided with a slide (40, 42), via which the slide (40, 42) is movable to the unloading opening (20b) to permit closure and is movable from the unloading opening (20b) to an opening position to permit opening.

Abstract: Provided in part herein are static-defeating apparatus for use in multipipettor systems. Multiple pipette tips can be retained by a static-defeating sheet of material. A multipipettor, having multiple pipettes or nozzles, can engage the pipette tips retained by the sheet. After use, the multipipettor can eject the pipette tips, which sometimes are ejected as a single unit due to the pipette tips being retained by the sheet. In certain embodiments, an apparatus includes a snap plate having one or more holes, and a base rack for ease of mounting.

Abstract: A means for hardfacing cutting blades used in industrial machinery by creating a channel in the surfaces of an oversize cutting blade that may be filled with hardface weld and machining the outer edge of the main body and channel to create a desired finish profile with a hardfaced edge. Such a cutting blade may additionally have fixed points of reference on the cutting blade which may be used to automate some or all of the process of creating and/or hardfacing a cutting blade to the desired profile.

Abstract: Embodiments of the present disclosure provide for devices, methods for separating particles, and the like.

Abstract: A waste gas is contacted with a mercury removal agent to remove mercury and a flue gas conditioning agent to alter a resistivity and/or cohesivity of particulates. The flue gas conditioning agent can be substantially free of SO3 and/or comprise more than about 25 wt. % SO3, and/or the mercury removal agent can be substantially unaffected by the flue gas conditioning agent. An amount of mercury removed from the waste gas in the presence of the flue gas conditioning agent can be the same or more than that removed from the waste gas in the absence of the flue gas conditioning agent. An amount of the acid gas removed, by an acid gas removal agent, from the waste gas in the presence of the flue gas conditioning agent can be the same or more than that removed from the waste gas in the absence of the flue gas conditioning agent.

Abstract: A light source module for microparticles sorting performed in a light-induced dielectrophoresis chip is provided, which includes a light emitting element, a control unit and a light converting unit. The light emitting element is configured to generate and emit light. The control unit is configured to generate a driving signal based on image data. The Light converting unit is coupled to the control unit, and is configured to convert the light into a light pattern based on the driving signal. A luminous exitance of the light converting unit is between 9×104 lux and 1.2 ×105 lux.

Abstract: A centrifuge (1) includes: a motor (4) having a rotor (3); an imaging system (2) torsionally connected to the rotor; a sample holder torsionally connected to the imaging system; and a light source (7) for illuminating the sample holder. The imaging system includes: a image sensor in optical communication with the sample holder; and a data link for transmitting image data. A centrifuge test includes: spinning a reservoir core sample in a sample holder of a rotor, wherein an imaging system is torsionally connected to the rotor; and collecting image data of the sample holder with the imaging system while spinning.

Abstract: Methods of supervising and controlling an E-line position in a centrifugal separator are disclosed herein. Further a centrifugal separator is disclosed herein. The E-line positon is continuously calculating based on inter alfa, monitored density of light and heavy liquid phases, monitored pressure at outlet side of light and/or heavy liquid outlet passages.

Abstract: A slot die assembly for applying at least one material onto a substrate includes an adapter having a passive heat transfer device, a shim package fluidically connected to the adapter, the shim package having a first material discharge slot and a second material discharge slot, and a die plate having a one or more fluid channels fluidically connected to the shim package. The assembly also includes one or more mounting studs extending from the adapter, the mounting studs configured to engage a parent machine.

Abstract: A water stop switch shower head includes a water stop element, a water diversion plate, a water diversion body, a switch element and a switch shaft; the switch element is linked to the water diversion plate, the switch element and the water diversion plate rotate respectively around the switch shaft; one end of the water stop element is faced to the water diversion plate; the water diversion plate is disposed with a non-abutting surface and an abutting surface at the surface faced to the water stop element, the non-abutting surface and the abutting surface have height difference transitioned by an incline surface; the switch element is operated to drive the water diversion plate to rotate, when the water stop element faces to the non-abutting surface, the water stop element is contacted with the inner wall of the inlet in sealing way.

Abstract: A pole mechanism for dual shower head includes a pole and a three-way distributor having one inlet in communication with a water source and two outlets respectively for communication with a first shower head and a second shower head. The pole is securely connected to an outer wall of the three-way distributor and has a socket movably mounted thereon and having a C shaped cutout for holding therein the second shower head.

Abstract: A rotation limitation mechanism for an impact sprinkler is provided. The rotation limitation mechanism includes a nozzle body including a first protrusion, a second protrusion, and a spray nozzle structured to emit a fluid stream; a first trip collar including a first trip flange; a second trip collar including a second trip flange; and, a trip paddle including a first arm and a second arm, wherein the first arm is structured to selectively engage with each of the first and second trip flanges while the second arm is structured to selectively engage with each of the first and second protrusions to control a rotational amount and a rotational direction of the nozzle body about a first axis.

Abstract: Dispensing nozzles and systems for dispensing edible products include a nozzle sleeve and a nozzle insert. The nozzle sleeve defines an open interior and the nozzle insert is positioned within the nozzle sleeve. A base inlet and a flavoring inlet are defined in the nozzle insert. The nozzle sleeve and the nozzle insert are configured to mix a base substance with a flavoring substance.

Abstract: The present invention involves providing a viscous fluid in a particular format and implementations thereof. In particular, a viscous slave fluid is provided in a particular format, wherein the particular format can be an end result or an intermediate result for the viscous fluid. In the case of an intermediate result, the viscous fluid in the second format may be further processed to a third format. Implementations or applications include supercharged fuel injection systems, methods, and apparatuses for internal combustion, lean-burn oil pre-mixing systems, methods, and apparatuses for liquid fuel combustion, and medical or biomedical devices, systems, and methods.

Abstract: A system and method for applying a coating to a surface. The coating can include any typical coating, but in some examples includes a styrenated acrylic coating. The coating is first applied. Thereafter, a quick-set formula which includes a brine solution is applied atop the first coating. The quick-set formula sets the first coating. Thereafter, a second coating, or multiple coatings, can be applied atop the first coating. Due to the quick-set formula, the second coating can be applied in less than 15 minutes.

Abstract: A multi-segment, heated hose has temperature sensors at or near the outlet of each hose segment. Each hose segment also has separate means for heating a fluid in the hose segment. A heater power controller receives temperature data from each temperature sensor and independently adjusts the power to the heater in each hose segment to obtain and maintain a preselected fluid temperature at the outlet of each hose segment.

Abstract: The invention provides a hydrocarbon-fueled device for heating and dispensing a volatile substance, such as an insect repellent. The device provides a long-lasting 48-hour fuel system, multiple fuel canisters that can be exchanged without interrupting the operation of the device, an illuminated indicator that provides a visible indication of the operating state of the device from any viewing angle, and a flame-extinguishing safety lid. During the warm-up phase, the indicator indicates this state by pulsing. Once the device reaches operating temperature, the indicator emits a steady light, indicating proper operation. In the event that the device cools below the operating temperature, the light will pulse, alerting the user to check the flame and/or fuel supply. The user can initiate complete, properly-controlled operation of all functions of the device via the operation of a single on-off switch.

Abstract: A spray device includes a diaphragm pump that is operated to generate an air flow of 200-250 L/min at a low pressure of 2-3 psi. A spray gun receives the air flow from the diaphragm pump and includes a Venturi tube structure through which the air flow moves. A paint receptacle that receives and holds therein a paint material is connected to the spray gun to allow the paint material to get into the Venturi tube structure to be converted into paint droplets entraining the air flow. A hose has a diameter of 1.5 cm is connected between the diaphragm pump and the spray gun to conduct the air flow from the diaphragm pump to the spray gun so that the paint droplets can be sprayed out to a workpiece with the low pressure of 2-3 psi without causing significant rebounding from the workpiece.

Abstract: A supersonic air knife having a compressor and a barrel and nozzle includes an adjustable grasping handle assembly forming barrel handle comprising i) a pair of clasping elements, each clasping element having two gripping surfaces configured to engage the barrel at a point of engagement, with one point of engagement on each side of a first centerline of the barrel; ii) a pivot pin coupling the two clasping elements together on one side of the centerline of the barrel; and iii) A handle with a threaded element engaging the pair of clasping elements configured to draw the clasping elements together around the barrel.

Abstract: An apparatus unit that adjusts fluid dispersion in response to an independent variable such as an environmental factor, to optimize the drizzle, mist or fog effect by suspending fluid droplets of a specific size in a gas. A preferred embodiment is a solar powered pump, self-contained within a buoy over a coral reef, for the purpose of providing enough mist during the sunniest time of the day to reduce coral bleaching. The unit provides for sensing and measurement of the environment, then adapting the dispersion for optimum effect. The unit can provide proportional response, for example to deliver 100% misting during the most extreme periods of sunshine and 50% mist during a typically sunny time and no mist during a cloudy day. Several like or compatible units may be organized as a system for a more efficient effect or blanket effect over a wider domain and for a longer duration.

Abstract: A mist generating apparatus is provided for suppressing foreign material from becoming airborne prior to an application of a surface coat or treatment to a substrate. The assembly includes a frame assembly that may include a base mount and an intermediate mount movably coupled to the base mount. The apparatus includes an extension assembly movably coupled to the frame assembly and selectively positioned between a retracted position and an extended position. A manifold is coupled to the extension assembly, and the manifold is in fluid communication with a volatile liquid. The apparatus includes a spray nozzle in fluid communication with the manifold, The spray nozzle is configured for directing a mist of the volatile liquid to a portion of the substrate for at least temporarily suppressing foreign material.

Abstract: A vertical internal coating machine is taught, which may be used with bodies such as cans (2 piece, 3 piece, draw, redraw) and including cylinders, containers and any similar body. In the machine cans or similar bodies are vertical in the machine's star wheel rather than horizontal, and the bodies are sprayed with the star wheel in continuous motion without stopping and starting. The machine teaches that a plurality of spray guns may be provided for each pocket of the star wheel. By means of the machine an improved line layout is devised which may eliminate the need to raise the bodies immediately prior to a necker by allowing the vertical can internal coating machine and internal bake over to be disposed on any level of the facility, upper, lower, mezzanine, etc.

Abstract: A masking device for covering a masking area. The masking device includes a first member, a second member, and a third member. The masking device further includes a base defining a top surface and a bottom surface. The bottom surface defines a continuous masking surface. The masking device further includes a pull tab extending away from the top surface of the base. The bottom surface includes an adhesive. The bottom surface is configured for removable attachment to the masking area.

Abstract: Nozzle means for directional jetting of a fountain fluid comprising at least one, in particular elongated, nozzle for directed radiation of the fountain fluid, wherein the nozzle has a main extension direction, so that the fountain fluid can be removed substantially parallel to this main extension direction along a main distribution direction, at least one nozzle carrier on which the nozzle is arranged detachably or inseparably, characterized in that the nozzle carrier forms a main extension plane of the nozzle carrier, and wherein at least the main radiation direction of the nozzle leads away from the main extension plane of the nozzle carrier in at least one directional component.

Abstract: A surface treating apparatus that suppresses occurrence of defects is provided. A treatment solution is accumulated in a tank 15 through a treatment solution collecting port/air discharging port 13 in a lower portion of a bath 4. An air heated by the treatment solution flows toward an upper portion (portion without the treatment solution) of the tank 15 via the treatment solution collecting port/air discharging port 13 in the lower portion of the bath 4, and is discharged via an exhaust duct 17. In this way, the air that is heated and tends to flow upward in the bath 4 is discharged from the lower portion thereof and is replaced with an external air from the upper portion thereof. Accordingly, the air in the bath 4 can be maintained at a uniform temperature. Thus, the treatment solution that reaches a lower portion of a substrate 54 from an upper portion thereof can be maintained at a uniform temperature.

Abstract: The present invention relates to a slot die coating apparatus. A slot die coating apparatus according to an embodiment of the present invention includes: a slot die configured to perform a coating process by applying ink to a substrate; an image capturing unit disposed adjacent to the slot die and configured to capture a state of the slot die and a state of ink applied to the substrate during the coating process; and a control unit configured to compare an image captured by the image capturing unit with a reference image and control an operation of the slot die and a transfer of the substrate.

Abstract: This document discusses apparatus and methods for removing boundary air of a web that can interfere with slot die coating of a surface of the web. In an example, an apparatus for removing boundary air that can interfere with slot die coating a web can include a blade bar configured to attach adjacent an up-web side of a slot die vacuum box. The blade bar can include a channel configured to extend across a width of web, the channel including two sidewalls each having a surface configured to allow the web to pass between the surface and a machine roller with a consistent gap, a distribution chamber pneumatically coupled to the channel, and a vacuum connector configured to allow a source of vacuum to couple with the blade bar and apply vacuum to the vacuum distribution chamber.

Abstract: A spin dispenser module and methods for using the same is disclosed. The spin dispenser module includes a cup having a basin with sidewalls and an exhaust, a rotatable platform situated inside the cup adapted for holding and rotating a substrate, a liquid dispenser disposed over the rotatable platform for dispensing a liquid coating material on top of the substrate, one or more ejector inlets disposed over the rotatable platform, the one or more ejectors connected to a negative pressure source, and a motor coupled to the rotatable platform to rate the rotatable platform at different rotational speeds. The one or more ejector inlets may be translatable and/or rotatable with optionally adjustable suction pressure. The ejector inlets operate after a liquid coating material is dispensed to avoid deposition of suspended organic compounds after a coating is formed.

Abstract: Systems and methods for controlling adhesive application are disclosed. The systems and methods may include a controller and one or more sensors configured to measure an amount of adhesive applied to a plurality of substrates by a pump, detect a number of the substrates, determine an amount of adhesive applied per substrate, compare the adhesive applied per substrate to a target value, and adjust a pressure of the pump based on the comparison. The sensor(s) may include one or more of a valve sensor coupled to an adhesive supply, a flow rate sensor coupled to a manifold, a flow rate sensor coupled to one or more hoses, and a flow rate sensors coupled to a gun.

Abstract: A caulking tip nozzle adaptor, comprising: a) a main frame portion comprising a main frame body, a main frame tube, a main frame first threaded portion disposed at an outer circumference of the main frame tube and a main frame inner sealing ring at a first end of the main frame tube, wherein a second end of the main frame portion comprises a main frame second threaded portion; b) a friction collar portion comprising a friction collar aperture therethrough and female threads disposed around an inner circumference capable of engaging with the main frame first threaded portion; c) a nozzle portion comprising a nozzle body portion, a nozzle tube and a nozzle sealable ring at a first end of the nozzle portion capable of being sealably and rotatably engaged with the main frame inner sealing ring.

Abstract: A method of protecting an in-vivo sensor includes forming a sensing surface on a surface of the in-vivo sensor, the sensing surface including a functionalized monolayer that will bind to an analyte of interest; and coating the sensing surface of the sensor with a bioabsorbable polymeric coating including a bioabsorbable polymer; wherein the bioabsorbable polymeric coating is configured to protect the in-vivo sensor until needed for implantation.

Abstract: A method for forming a coating on a stent involves spraying or drying a coating on the stent while the stent is supported on a mandrel assembly, during which part of the stent is made to go out of contact with the mandrel assembly.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for an imprint lithography method of edge field patterning, the method including providing a template having a mold, the mold having a patterning surface comprising patterned features; providing a substrate having an edge step layer positioned thereon the edge step layer including a sloped profile; depositing a polymerizable material on the edge step layer of the substrate; contacting the polymerizable material at one or more of a plurality of edge fields located at a perimeter of the substrate with the mold of the template; and based on the contacting, forming a pattern based on the patterned features at the one or more edge fields to provide an edge field pattern, wherein contact between the template and the substrate proximate to the plurality of edge fields is prevented based on the edge step layer of the substrate.

Abstract: A coated article is described, including a substrate with a coating composition applied thereon to provide a coated article with a textured surface. In one aspect, the coated article is a steel rebar used to reinforce concrete. The textured surface provides optimal surface roughness and demonstrates superior pullout strength relative to an uncoated standard.

Abstract: An internal quench system for cooling pipes being coated is provided. The system comprises an internal quench lance having spray nozzles configured at one end of the internal quench lance. There is also provided wheels and retractable supports to support the internal quench lance without hindering the movement of the pipes. Each retract support is provided with a liquid coolant supplying means to provide liquid coolant to the internal quench lance. A process for using the internal quench system for cooling pipes being coated is also provided.

Abstract: The present invention relates to a process for applying a topcoat to at least one side of a substrate, comprising a step (a) of at least partly coating at least one substrate metal surface, at least partly coated with at least one primer coat, with an aqueous coating composition which comprises at least one polymer dissolved or dispersed therein, the coating composition further comprising at least one mixed hydroxide of the general formula (I), and the process being a coil coating process; to a topcoat applied to at least one side of the substrate and obtainable by this process; to a substrate at least partly coated on at least one side with a topcoat by this process; and also to a use of this coating composition for at least partly coating at least one substrate metal surface, at least partly coated with at least one primer coat, with a topcoat in a coil coating process.

Abstract: A differential amplifier generates an output voltage waveform exhibiting a slew rate over a rise time. The amplifier is powered from a dc voltage input and includes a set of differential pairs having a bias current flowing therethrough and a Miller compensation capacitance. A comparator functions to compare a voltage at the dc voltage input against a reference voltage in order to detect when the voltage drops below the reference voltage. A gain stage controls the gain of the differential amplifier and a bias current control circuit controls the bias current of the differential amplifier. In response to the detection by the comparator of the voltage dropping below the reference voltage, the gain stage and the bias current control circuit decrease the gain of the amplifier and jointly decrease the bias current in order to maintain a value of the rise time.

Abstract: A transducer comprising a transducer element including a plate with a through-hole and a collar projecting from the plate and defining an interior cavity in communication with the through-hole. A piezoelectric bender includes at least first and second wafer layers stacked together. The bender is coupled to a peripheral end face of the collar. The first and/or second piezoelectric wafer layers bend at a resonant frequency and generate ultrasonic waves that flow through the collar interior cavity and the plate through-hole and create an in-air pressure pattern and acoustic field at a location spaced from the transducer. A plurality of transducers may be made by providing a monolithic transducer element structure including a plurality of the transducer elements formed thereon, coupling either a plurality of benders or a monolithic bender to the plurality of transducer elements, and then cutting the monolithic transducer element structure to define a plurality of individual transducers.

Abstract: A nut sorter includes a support frame with a rotatable cage connected thereto. The rotatable cage is comprised of support rings with a plurality of longitudinally extending rods connected thereto. The outer periphery of the longitudinally extending rods extends inwardly into a center space defined by the inner diameter of the support rings. The nut sorter also has a plurality of scrapers utilized to dislodge stuck debris and nuts as the cage rotates under the scrapers.

Abstract: An individualization station has a supply deck for supplying flat goods to a goods processing apparatus following in the transport path in the transport direction x of a Cartesian coordinate system, with openings in the supply deck for a drum in an individualization region, and with individualization assembly as well as with a contact pressure box. The contact pressure box is movable in the z-direction, and has a linkage that is pivotable at a downstream end. An individualization assembly carrier forms an L-shape at an upstream end of the linkage that is pivotable in the contact pressure box. A stop side of the undeflected individualization assembly carrier is aligned parallel to the y/z-plane and extends counter to a y-direction. The individualization assembly carrier can be deflected above the supply deck at a variable distance corresponding to the thickness of the flat good to be individualized, and is adjustable in the y-direction and counter thereto by an adjustment assembly.

Abstract: A parcel sorting system and method. The parcel sorting system comprises a parcel sorting device (100) and a parcel collecting device (101); the parcel sorting device is provided thereon with a plurality of parcel inspection inlets (104) and a plurality of parcel outlets (102), and the parcel collecting device is located just below the parcel sorting device; the parcel outlets on the parcel sorting device communicate with the parcel collecting device; the parcel outlets are respectively located at the middle or/and edges of the parcel sorting device; the parcel collecting device is provided thereon with storage devices (103) at positions under respective parcel outlets; and diameter of the storing device is larger than that of the parcel outlet. When the method is used, the parcel sorting efficiency is obviously improved; the implementation is convenient; and popularization and application are facilitated.

Abstract: Methods and apparatus of producing collectible cards are disclosed. An example method includes producing a first stack of cards including a first card type and a second card type from a single substrate sheet, separating the first stack of cards into a first sub-stack and a second sub-stack. The first sub-stack includes the first card type and the second sub-stack includes the second card type. The example method includes comparing a first top card of the first sub-stack to a first reference card and, based on the first top card being substantially similar to the first reference card, automatically transferring the first sub-stack to a first tray designated to receive the first card type.

Abstract: A lens and/or a view screen of an electronic device having at least one case can be cleaned by wiping the view screen with a cleaning component wherein the cleaning component is configured to selectively couple to the at least one case or some other substrate using a magnetic attractive force. The cleaning devices may have secondary applications such as securing fly fishing lures, activating or deactivating a device having a magnetic switch, or preventing sunglasses from sinking. They may also be manufactured without a cleaning component for use with the secondary applications.

Abstract: A high pressure surface cleaner includes a housing having an open end, a high pressure coupling in fluid communication with the housing and having a first end and a second end, the first end configured to receive a high pressure water source, and a supply conduit rotatably secured to the second end of the high pressure coupling and configured to rotate about the high pressure coupling defining a horizontal plane within the housing. The cleaner also includes first and second nozzles having a vertical axis therethrough and secured proximate to the first and opposing second ends of the supply conduit, respectively, the vertical axis of the first and second nozzles approximately normal to the first horizontal plane, and a directional nozzle coupled to the supply conduit and having a directional outlet orientated to cause the supply conduit with the first and second nozzles to rotate when discharging water.

Abstract: A method to remove a contaminant from a material comprises using a drive mechanism to provide a plurality of portions of material to a nozzle in order to generate a jet of the portions of material from the nozzle. At least some of the portions of material are at least partially coated in a contaminant. The jet of the portions of material are directed at a surface of a volume of liquid. An interaction between the jet of the portions of material and the surface of the volume of liquid causes at least some of the contaminant to detach from at least some of the portions of material.

Abstract: Systems and methods for rinsing one or more pellicles during fabrication, including immersing and soaking the one or more pellicles in a rinse bath solution for a particular time period, forming a top layer above the rinse bath solution, the top layer having a lower surface tension than the rinse bath, and withdrawing the one or more pellicles through the top layer for drying.

Abstract: A bacteria removing water discharge device used for a water supply facility is provided. The device includes: a bacteria removing water generating part denaturing tap water to generate bacteria removing water; a bacteria removing water discharge part, the part including a water storage part storing the bacteria removing water temporally, a water discharge port discharging the bacteria removing water stored in the water storage part onto a water receiving part of the water supply facility; and a controller, the controller executing a bacteria removing mode discharging the bacteria removing water from the bacteria removing water discharge part to the water receiving part, and a residual water drain mode draining at least a portion of the bacteria removing water remained in the water storage part after executing the bacteria removing mode.