手柄又稱把手、柄，是物体的一部分，通常人們可以用手抓住手柄並通過手柄來操控物體。許多类型的手柄设计都涉及到大量的人体工程学。例如工具的手柄是工具的一个重要組成部分，人們通过工具手柄能够最大限度地發揮工具的作用。[1]
参考文献
- Scott Openshaw, Erin Taylor: Ergonomics and Design – A Reference Guide. (2006)
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