Закончите предложения, используя следующие слова и словосочетания:

for drinking, free from toxic salts, acceptable, average, salts, calcium, microscopic organisms, fine particles, natural waters, pure, magnesium, potassium, bicarbonate, clay, sand, sodium

1. We have mineral waters in which the total mineral content is significantly above the … .

2. Alkaline waters contain unusual quantities of … .

3. The water for drinking and domestic purposes commonly contains … .

4. There is also a variety of suspended matter in … .

5. Waters having appreciate amounts of dissolved salts are more … .

6. Good drinking water must be … .

Revantrtr    2   23.05.2020 17:23    99