1. It is widely used in flammable and explosive gas environment, such as oil extraction, oil refining, chemical industry, offshore oil platform, oil tanker and other flammable dusty places such as military industry, port, grain storage and metal processing.
2. Freagarrach airson Àrainneachd Gas Incussive Sòn 1, Sòn 2;
3. Aoighean spreadhaidh: Clas ⅱa, ⅱb, ⅱc;
4. Freagarrach airson àrainneachd duslach losgaidh san sgìre 22, 21;
5. Freagarrach airson riatanasan dìon àrd, àiteachan tais.