Tools should never be carried up and down by hand, placed in pockets, or dropped to the ground.

不可用手持的方式上下搬动工具，不可用口袋装盛或将其扔到地面上。

youdao

Tools should never be carried up and down by hand, placed in pockets, or dropped to the ground.

不可用手持的方式上下搬动工具，不可用口袋装盛或将其扔到地面上。

youdao