Protection of human respiratory system from the negative effects of environment
Basic classification of respiratory protection, as well as advice to the selection filters. Studied properties of materials that are used in the manufacture of filters for the protection of the human respiratory, depending on the mode of exploitation.
|Рубрика||Безопасность жизнедеятельности и охрана труда|
|Размер файла||291,5 K|
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