반응형 waterstandards1 [Drinking Water Standards] 식수 기준: 진화에 대한 역사적 관점 [Drinking Water Standards] Drinking Water Standards: A Historical Perspective on their Evolution (식수 기준: 진화에 대한 역사적 관점) Water is one of the most important resources for life on earth, and drinking water is essential for human health. However, not all water is safe to drink, and throughout history, people have developed methods to treat and purify water to make it safe for consumption. In additio.. 2023. 4. 7. 이전 1 다음 반응형