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water cleaning stresses
ecol.	водоочистка
gas.proc.	осветление воды (от механических примесей); очистка воды (от механических примесей)
pulp.n.paper	очистка воды
tech.	водная очистка

water cleaning: 33 phrases in 15 subjects

Automobiles	1
Ecology	8
Electronics	1
Energy industry	3
General	3
Machinery and mechanisms	1
Makarov	2
Mechanics	1
Metallurgy	2
Natural resourses and wildlife conservation	1
Oil / petroleum	1
Oil and gas	1
Road works	1
Technology	6
Weapons of mass destruction	1