... 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 ... automatic running, low noise and powerful blowing; 3. Temperature-set system available.4. Stainless steel heating-exchanger.5. Computer ...