But this type of light can harm workers' eyes and skin, so they must wear protective clothing and goggles.
但是紫外线会损害工人的眼睛和皮肤，所以他们必须穿防护服和佩戴护目镜。
By using vacuum coating method, we prepared a new type of goggles which is very fitted to be used in the high temperature smelting and welding environment.
采用真空镀膜的方法，制备出高温冶炼、焊接等使用的护目镜。
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