| . |
|
PERSONAL PROTECTIVE EQUIPMENT |
. | |||
Class 2 - Air-Supplying |
||||||
|
Class 2 atmosphere or air-supplying devices provide a usable atmosphere to
the wearer, independent of the ambient air. Atmosphere or air-supplying devices are
divided into three groups. The three groups of atmosphere or air-supplying devices are:
|
|||||
|
||||||
| . |
