... , used Glycerin, used Hydraulic oil, used synthetic oils, waste machine shop cutting oil, waste mineral spirits solvent, ... 1, #3, #4 heating oils, waste mixed heavy oil etc., as well as regular oils, such as diesel, ... etc. 7. Big oil tank optional, as big as 100L container for holding ... There is heating instrument at the bottom of big oil tank to pre-heat fuel before pumping, esp. ...