Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

suvning ifloslanishi– tabiiy suvga zararli kimyoviy moddalar qo'shilishi. Qo'shma shtatlardagi suv ifloslanishining manbalari orasida sanoat chiqindilari, kimyoviy o'g'itlar bilan ishlov berilgan maydonlardagi chiqindilar va qazib olingan maydonlar
	water softener–any of a group of substances that when added to water containing calcium and magnesium ions cause the ions to precipitate or change their usual properties: used in the purification of water for the laboratory, and for giving water more efficient sudsing ability with soap