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Respiratory Protection in the Mining Industry

Nina L. TurnerThomas Hodous

出版	1977
URL	http://books.google.com.hk/books?id=RrFdzQEACAAJ&hl=&source=gbs_api

註釋

The purpose of this chapter is to review relevant regulations, the types of respirators used in the mining industry, and the various effects of their use and to provide reasonable guidelines for determining fitness to wear these devices.