Examlex
Comparative advantage means the ability to produce a good or service
Pitch Diameters
The effective diameter of a screw thread, halfway between the crests and roots, used in measuring and specifying thread sizes.
Diametral Pitches
Diametral pitches refer to the number of teeth per inch of the diameter of a gear, which determines the size of the teeth and the pitch of the gear.
Ratchet Wheel
A wheel or gear with teeth cut in a way that allows motion in one direction only, often used in mechanisms requiring incremental movement.
Pawl
A mechanical component that engages with another component to prevent motion in one direction, or to drive a mechanism intermittently.
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