Every time the pot lid should be closed to vegetable soup, boiling water and cooked vegetables faster. More vegetables in hot water for a value, it will be reduced.
Every time you close the lid, boil vegetables. To keep the water boiling vegetables were cooked faster. The vegetables in hot water for a long time. The value is reduced
When boiled vegetables should close the lid. For the water to boil and cooked vegetables. Vegetables more faster in hot water for a long time, the value will be reduced.