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hardened case stresses
met.	закалённый поверхностный слой; упрочнённый слой
tech.	закалённый слой

hardened case : 113 phrases in 22 subjects

Automated equipment	3
Automobiles	2
Aviation	2
Chemistry	1
Drilling	1
Electronics	1
Forestry	3
General	29
Makarov	8
Mechanic engineering	6
Mechanics	1
Metallurgy	3
Military	2
Mining	2
Nautical	1
Oil / petroleum	2
Polygraphy	3
Rail transport	1
Shipbuilding	1
Space	4
Technology	35
Transport	2