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de concentración stresses
gen.	концентрационный
mining.	обогатительный

de concentración: 159 phrases in 28 subjects

Alcohol distilling	1
Antennas and waveguides	2
Aviation	8
Banking	1
Chemistry	4
Ecology	1
Economy	7
Electrochemistry	2
Electronics	30
Environment	3
Figurative	1
Fishery fishing industry	1
General	16
Geology	6
International Monetary Fund	13
Investment	1
Law	8
Mathematics	10
Medical	8
Metallurgy	2
Mining	2
Name of organization	1
Oil / petroleum	4
Packaging	2
Statistics	1
Strength of materials	2
Technology	21
United Nations	1