release button: 35 phrases in 16 subjects |
Automobiles | 2 |
Cartography | 1 |
Cinematography | 2 |
Communications | 1 |
Computers | 1 |
Electrical engineering | 1 |
Information technology | 2 |
Military | 1 |
Mineral processing | 1 |
Occupational health & safety | 1 |
Photography | 1 |
Programming | 9 |
Rail transport | 2 |
Technology | 6 |
Transport | 2 |
Weapons and gunsmithing | 2 |