Jib-jack

Lever-type towerjack

Jig

Device used in the accurate machining of good in process by holding the goods firmly and guiding tools exactly to position.

Also see

• Welding jig

Jim

See

• Big Jim

JIT

Acronym for Just-in-Time -- a manufacturing system which depends on frequent, small deliveries of parts and supplies to keep on-site inventory to a minimum.

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