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подготовка воды stresses
el.chem.	water-treatment
energ.ind.	conditioning
O&G, sakh.	water conditioning
oil	water treatment

подготовка воды: 75 phrases in 22 subjects

Aviation	1
Construction	2
Drilling	2
Ecology	4
Energy industry	5
Gas processing plants	1
General	5
Makarov	7
Military	1
Natural resourses and wildlife conservation	6
Oil / petroleum	3
Oil and gas	10
Oilfields	4
Pulp and paper industry	1
Sakhalin	8
Sakhalin R	3
Security systems	2
Technology	6
Thermal Energy	1
Thermal engineering	1
Water supply	1
Wood processing	1