safety locking: 61 phrases in 19 subjects |
Armored vehicles | 1 |
Artillery | 1 |
Astronautics | 1 |
Automobiles | 7 |
Aviation | 2 |
Cables and cable production | 1 |
General | 2 |
Leather | 1 |
Makarov | 1 |
Mass media | 1 |
Military | 7 |
Oil / petroleum | 1 |
Oil and gas technology | 1 |
Polymers | 1 |
Technology | 21 |
Textile industry | 1 |
Traffic control | 1 |
Transport | 5 |
Weapons and gunsmithing | 5 |