Abstract: A clearing blade adapted to be attached to a machine. The clearing blade includes a moldboard having a curved structure, a pair of stingers extending forwardly of the moldboard and arranged in a spaced apart arrangement from opposing lateral ends of the clearing blade. Each stinger includes a penetration portion adapted to penetrate and form a vertical cut. The clearing blade further includes a center blade arranged centrally to the moldboard, and an angled side blade extending inwardly from each of the pair of stingers towards the center blade. Each angled side blade is arranged in a substantially horizontal plane and is arranged at an obtuse angle relative to the center blade. Moreover, the clearing blade includes a plurality of attachment members such as, for example, a plurality of trunnion balls for engaging the clearing blade with the machine.

Abstract: A moisture-retentive fabric medium includes a hydrophilic, thermoplastic polyester fiber as a blend of from 10-905% or 20-80% by total weight of textile fibers and 90-10% or 80-20% by total weight of hydrophilic textile fibers and less than 0.5% by weight of total fabric medium as microfibrillated cellulose fiber and less than 0.05% by weight superabsorbent polymers, the polyester having a melting point between 190-500 F when measured in accordance with ASTM D-3418.

Abstract: A synthetic acid composition for use in oil industry activities, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1:1; and an alcohol or derivative thereof optionally, it may further comprise a phosphonic acid derivative.

Abstract: A synthetic acid composition for use in oil industry activities, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1:1 and formic acid or a derivative thereof.

Abstract: A bottle fill humidifier includes a humidification housing removably positioned on a water reservoir base. At least one water bottle is mounted to the base. In order to facilitate an easier and faster means of replacing the humidifier filter and maintain the rigidity of the humidifier, a latch is provided to secure the housing to the base via the mounted bottle.

Abstract: A golfing facility comprises a rotatable central tee-off area and a plurality of sectors disposed around the tee-off area. Each sector contains a selection of targets to enable a player to simulate playing a hole of golf (with the exception of the final put). Various training aids and scoring apparatus are also described.