The small gear that is driven by the motor shaft of a rotisserie is called a Pinion gear. A pinion gear is a type of linear actuator and comes with the rack gear. The pinion gear is the small circle running through the gear rack. It is like the wheels of the train running through the rail. So the answer to your question is letter D.
A system of interconnected computers that share a central storage system and various peripheral devices such as a printers, scanners, or routers. Each computer connected to the system can operate independently, but has the ability to communicate with other external devices and computers
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A barcode's bars have
1. different thicknesses, so they each signify 1 or 2 nibbles.
2. the combinations of the thicknesses of those bars exceed the trillions. That's why manufacturers and stores never run out of SKU barcodes.
