... used Hydraulic oil, used synthetic oils, waste machine shop cutting oil, waste mineral spirits solvent, waste grades #1, #3, #4 heating ... ignition, workers-nursing unnecessary.3. Flame adjustable freely by air-inlet controller easily; from the “Observing Window” operators can ... pollution as much as possible. Environmentally –friendly, Exhausting air complies with the requirements of EURO III;7. Big ...