手柄又稱把手、柄,是物體的一部分,通常人們可以用手抓住手柄並通過手柄來操控物體。許多類型的手柄設計都涉及到大量的人體工程學。例如工具的手柄是工具的一個重要組成部分,人們透過工具手柄能夠最大限度地發揮工具的作用。[1]
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