... Various fuels are applicable, e.g. used engine oil, waste vegetable oil, used crankcase oils, used Glycerin, used Hydraulic ... oil, used synthetic oils, waste machine shop cutting oil, waste mineral spirits solvent, waste grades #1, #3, #4 heating ... -set system available.4. Stainless steel heating-exchanger.5. Computer controlling, remote controller enables worker to start and stop the ...