| |||
in explosion-proof housing (Alexander Demidov); blast-rated (Alexander Demidov); blast-resistant (Alexander Demidov) | |||
firedamp-proof |
во взрывозащищённом исполнении: 7 phrases in 4 subjects |
GOST | 1 |
Occupational health & safety | 2 |
Sakhalin | 2 |
Transport | 2 |