a device enabling an individual to have air or oxygen independent of the atmosphere in which he is working; device which provides complete respiratory protection in any concentration of toxic gases and under any condition of oxygen deficiency; a face mask or helmet supplied with air for breathing from a cylinder of compressed air. The cylinder forms part of the apparatus and is carried by the user. Such apparatus is used for activities carried out in spaces filled with smoke or noxious gases or air deficient in oxygen
Suitsusukeldumisel tuleb hingamiselundite kaitseks kasutada täismaskiga suruõhuhingamisaparaati, millel on maski hermeetilisuse kaotusele reageeriv automaatne väljastatava õhuhulga regulaator ja õhutagavara lõppema hakkamisest eelsignaali andev hoiatusseade.
A breathing apparatus of an approved type consisting of a self-contained compressed-air-operated breathing apparatus (SCBA), the volume of air contained in the cylinders of which shall be at least 1 200 litres, or other self-contained breathing apparatus which shall be capable of functioning for at least 30 minutes.
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