A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, airpollutants, energy, and materials that have been transformed in some way.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
2
Two other airpollutants require some mention: radon and asbestos.
另外两种空气污染需要某种提示:氡和石棉。
3
Forthcoming rules on airpollutants, for example, worry them a lot.