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twardy adj.
agric. fest; hart
construct. starr; steif; versteift
twardy
: 67 phrases in 16 subjects
Agriculture4
Botany1
Building materials1
Chemistry13
Construction20
Earth sciences2
Economy2
Electrochemistry1
Electronics2
Forestry2
Law1
Lighting other than cinema1
Magnetics1
Metallurgy2
Microsoft13
Welding1