Advertising	1
Architecture	1
Armored vehicles	1
Automated equipment	1
Aviation	2
Canning	1
Chemistry	18
Construction	7
Cultural studies	1
Electrical engineering	1
Electrochemistry	6
Electronics	2
Figurative	1
General	45
Geology	13
Historical	1
Informal	1
Leather	1
Literature	4
Makarov	14
Materials science	2
Mechanic engineering	1
Medical	1
Medical appliances	1
Metal science	3
Metallurgy	24
Military	1
Mineralogy	8
Mining	16
Natural resourses and wildlife conservation	4
Nautical	4
Non-destructive testing	2
Obsolete / dated	4
Ore formation	1
Perfume	1
Roll stock	10
Silicate industry	2
Soviet	1
Technology	63
Textile industry	5
Transport	2
Weapons and gunsmithing	1
Welding	1
Winemaking	1

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