number scale

: 25 phrases in 14 subjects

Aerohydrodynamics	1
Combustion gas turbines	1
Energy industry	2
Firefighting and fire-control systems	1
General	1
Makarov	2
Mass media	1
Mathematics	4
Meteorology	1
Nautical	1
Navigation	1
Spectroscopy	1
Technology	3
Welding	5