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Which molecular orbitals are involved in each reactant in the Diels-Alder reaction?
Pinion Gear
A small gear that engages with a larger gear or rack, often used in automotive differentials to transfer rotational motion.
Flywheel Ring Gear
A circular gear attached to the outer edge of a flywheel, interfacing with the starter motor to begin engine rotation.
Starter Motor
Electric motor that converts electrical energy from the cranking circuit into the mechanical energy required to start the engine. Also known as cranking motor. Although not common, air-actuated starter motors are also used on trucks.
Starter Drive Assembly
A component of an engine's starting system that engages the flywheel to initiate engine rotation during startup.
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