1. waste plastics, crude oil, waste rubber, used tyres...
2. waste oil. For example: waste gasoline diesel oil, waste oil, waste engine oil, waste oil sludge, waste crude oil, waste oil
used to wash spare parts, and so on.
3. various kinds of waste animal oil, vegetable oil, acidated oil, heavy oil, waste lube oil, alcohols, sulfonated oil, naphtha,
paraffin, benzene, naphthalene, ketones).