Wear loose-fitting leather gloves, face shield, safety glasses, and long-sleeved shirt or jacket when connecting, disconnecting, or opening cylinders, or whenever the possibility for exposure exists.

当连接、断开或开启钢瓶时，或者在任何存在暴露的可能性的时候，要穿戴宽松的皮手套、面罩、安全眼镜和长袖衬衣或夹克。

youdao

The shield itself, as I've told you is made of a heavy wood, covered by a leather or bronze sheet about three feet across, something in the neighborhood of 16 to 20 pounds worth of shield and gripped as I told you before.

而盾牌,就像我说过的,是由沉重的木材制成,上面包裹有皮革或铜皮,约三英尺宽,大概是十六到二十磅重,就像我刚才所说的,拿起来很费劲

耶鲁公开课 - 古希腊历史简介课程节选