Abstract: A toolbox is provided, including a main body, an inner tray and a plurality of first connecting mechanisms. The main body includes a box body and a cover body. The box body includes a surface and a receiving groove extending concavely from the surface. The inner tray is disposed on the box body and includes a lip portion and at least one receiving portion. The lip portion is laterally connected with the at least one receiving portion and abutted against the surface. The lip portion has at least two dodge notches extending concavely from a circumferential edge of the lip portion. The plurality of first connecting mechanisms respectively include a first connecting member. In a direction lateral to an opening direction of the receiving groove, each said first connecting member is located in an area corresponding to an opening of one of said dodge notches.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: An oil filter removal tool configured for removal of a filter cartridge is provided, including: a main body, including a driving portion configured to be connected with a driven portion of the filter cartridge so that the main body is rotatable with the filter cartridge; a cover portion, connected with the main body, including an opening corresponding to the driving portion, the opening being configured for assembling of the driven portion of the filter cartridge therewithin; wherein the main body has a first flexibility, the cover portion has a second flexibility, and the second flexibility is greater than the first flexibility.

Abstract: An oil filter removal tool configured for removal of a filter cartridge is provided, including: a main body, including a driving portion configured to be connected with a driven portion of the filter cartridge so that the main body is rotatable with the filter cartridge; a cover portion, connected with the main body, including an opening corresponding to the driving portion, the opening being configured for assembling of the driven portion of the filter cartridge therewithin; wherein the main body has a first flexibility, the cover portion has a second flexibility, and the second flexibility is greater than the first flexibility.

Abstract: A shelf board is for being disposed on a cart including a plurality of column members and at least one decoration member. The shelf board includes a bottom board and a lateral wall. The lateral wall is connected to the bottom board to enclose a receiving space therebetween. The shelf board further has at least one engaging unit. The at least one engaging unit is adapted for connecting to a member for connecting. The member for connecting is one of the plurality of the column members or the at least one decoration member. A cart including the shelf board is also provided.

Abstract: A funnel is provided, including: a main body, being a transparent plastic member which is integrally formed of one piece by injection, including an enlarged section, an intermediate section and a joint section which are connected in sequence in an axial direction, the intermediate section being in communication with and between the enlarged section and the joint section, the main body being provided with an exhaust conduit, the exhaust conduit being in communication with an interior of the joint section and in communication with an outside of the funnel.

Abstract: A layer board is provided for being disposed on a cart, the cart includes a plurality of columns and a plurality of roller assemblies, the layer board has at least one assembly unit, and the assembly unit is a shared structure which can be engaged with one said column or one said roller assembly. The cart having the layer board is further provided.

Abstract: A shelf board is for being disposed on a cart including a plurality of column members and at least one decoration member. The shelf board includes a bottom board and a lateral wall. The lateral wall is connected to the bottom board to enclose a receiving space therebetween. The shelf board further has at least one engaging unit. The at least one engaging unit is adapted for connecting to a member for connecting. The member for connecting is one of the plurality of the column members or the at least one decoration member. A cart including the shelf board is also provided.

Abstract: A layer board is provided for being disposed on a cart, the cart includes a plurality of columns and a plurality of roller assemblies, the layer board has at least one assembly unit, and the assembly unit is a shared structure which can be engaged with one said column or one said roller assembly. The cart having the layer board is further provided.

Abstract: Some embodiments relate to a semiconductor device. The semiconductor device includes a layer disposed over a substrate. A conductive body extends through the layer. A plurality of bar or pillar structures are spaced apart from one another and laterally surround the conductive body. The plurality of bar or pillar structures are generally concentric around the conductive body.