| English | Chinese |
| animal dung as fuel Excrement from animals that may be dried and burned to generate energy or converted to liquid or gaseous fuels, such as methane, through chemical processes | 动物粪便燃料 (动物的排泄物，可以通过干燥或燃烧产生能源，或通过化学过程将其转变成液态或气态的燃料(如甲烷)。) |
| use of waste as energy source | 废料作为能源资源的利用 |
| use of waste as material | 废料作为原料的利用 |