Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do the job, the equipment used, and the conditions under which the job is performed.

【参考答案】

心理学技术过去常常用于减少给定工作所需的努力，包括对做这项工作所需的动作进行的详细研究、使用的设备和做这项工作所需要的条......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)