Educational video - usage of chemical oxygen self-rescuer.
Ci-30 is a self-rescuer designed for individual breathing protection in case of emergency in areas with unsuitable for inhalation atmosphere.
Self-rescuer is a closed-circuit breathing apparatus for single use working on the chemically bound oxygen. Ci-30 is developed for permanent carrying in mines, including operations on mining combines and transport.
Technical data is here: http://dzga.com/eng/catalog/cat.php?c=1
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