Answer: Principle of motion economy.
Explanation: principle of motion economy developed by Frank and Lillian Gilbreth are guidelines to help determine the work method, workplace layout, tools, and equipment.
The aim of this is to help in identifying and replicating one best way to complete a task and also minimize the physical and perceptual loads imposed on people engaged in that task.
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Answer:
Black people were brought to the Americas as slaves against their will, mainly to work on farms and plantations. The vast amounts of crops that farmers planted needed people to work them, and others were too expensive to hire.
Explanation:
Most African Americans were brought to the Americas as children, which were smuggled from their home and shipped through the middle passage. Some people freed these African Americans after they died, but life was hard for people of color, as they would often be brought back into slavery after having nowhere to work.
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