purification russian
очи́стка
cleaning, purification, cleansing
refining, refinement, rectification
clearing, mopping-up
clearance
очище́ние
cleaning, cleansing, cleanup
refining, purification
водоочисти́тельный
water-purifying, water-purification
Examples
На заводе установили новый водоочистительный фильтр.
A new water-purification filter was installed at the plant.



















