... , after that, it begins to produce the waste gas, you can use the waste gas as fuel, save your cost.B) The ... system(10cooling pipes, cooling tower and cooling pool)Oil store system(oil tank, glass mirror, liquidometer)Waste gas recycle system(water seal, ... system(10cooling pipes, cooling tower and cooling pool)Oil store system(oil tank, glass mirror, liquidometer)Waste gas recycle system(water seal, ...