Mosquito larvae in water are destroyed by adding oil on water
United States USA Date:1915 Duration:1 min 11 sec Sound:NO SOUND
Sanitary and hygienic practices in mining villages. A man adds oil on stagnant water bodies to prevent diseases like malaria by mosquitoes. Mosquito larvae seen in water. The people in mining villages use water from wells. A woman fills a bucket with ground water from a hand-pump. Two children stand near her. A woman looks from the door of her home. Houses in a row.
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