|
|
|
|
|
Nurul Shahiera Shafie, Nabilah Zaini, Noor Shawal Nasri
Pág. 17
A respirator is a device designed to protect the wearer from inhaling harmful substances such as dust, fumes, vapors, and/or gases. Generally, a respirator can be grouped into two categories which are air purified respirator (APR) and air supply respirat...
ver más
|
|
|
|
|