Since then, however, medical science has come to recognize that this law helped keep the water sources free from contamination and provided protection from many illnesses carried by insects.
Гэвч энэ хууль, ундны усны эх булгийг бохирдлоос хамгаалж, шавьжаар дамжин халдварладаг олон өвчнөөс сэргийлэхэд ач тустай болох нь анагаах ухаанд хожим тодорхой болсон.