| Gruzovik, water.suppl. | diatomite water-purification set | диатомитовая водоочистительная установка (diatomite – a fine, powdered diatomaceous earth used in industry as a filler, a filtering agent, an absorbent, a clarifier, and an insulator; also called kieselguhr [From German Kieselguhr, from Kiesel ("pebble, gravel") + Guhr ("guhr") {a loose earthy deposit from water occurring in the cavities of rocks, being mostly white but sometimes red or yellow, and consisting of a varying mixture of clay or ocher}]) |
