range operation

: 81 phrases in 17 subjects

Acoustics	2
Astronautics	9
Automobiles	1
Aviation	10
Construction	1
Economics	1
Electronics	8
Energy industry	2
General	1
Gyroscopes	1
Intelligence and security services	2
Makarov	1
Military	34
Nautical	1
Oil and gas	2
Technology	4
Telecommunications	1