Frank and Lillian Gilbreth identified 17 basic units of motion that they called

A. gilbreths.
B. time frames.
C. therbligs.
D. units.
E. action works.


C. therbligs.

A made-up word you won't find in most dictionaries, therblig was coined by Frank Gilbreth and is, in fact, Gilbreth spelled backward, with the t and the h reversed. It refers to 1 of 17 basic motions. By identifying the therbligs in a job, Frank and his wife, Lillian, were able to eliminate motions while simultaneously reducing fatigue.

Business

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