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。
The reason of loose grain forming in production of cattle hide upper leather was discussed in this paper, technical measures of solving the problem of loose grain were found out in years′ practice.
本文讨论了在黄牛鞋面革生产过程中产生松面的原因，并经过多年的生产实践，摸索出解决松面问题行之有效的技术措施。
The loose grain of pig garment leather is a very difficult problem manufacturing pig garment leather with modern style.
猪正面服装革松面是生产具有现代风格的猪正面服装革的一大难题。
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