File:Рисунок к учебнику по применению респираторов.jpg
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![File:Рисунок к учебнику по применению респираторов.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/%D0%A0%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA_%D0%BA_%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA%D1%83_%D0%BF%D0%BE_%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D0%BD%D0%B5%D0%BD%D0%B8%D1%8E_%D1%80%D0%B5%D1%81%D0%BF%D0%B8%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%BE%D0%B2.jpg/799px-%D0%A0%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA_%D0%BA_%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA%D1%83_%D0%BF%D0%BE_%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D0%BD%D0%B5%D0%BD%D0%B8%D1%8E_%D1%80%D0%B5%D1%81%D0%BF%D0%B8%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%BE%D0%B2.jpg?20140403102305)
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