... by power, there are 2-stroke gasoline engine, 4-stroke gasoline engine and diesel engine as the powers for pump series.The 2 ... room and poor-ventilated place, since exhaust emissions from the engine contain toxic carbon monoxide (CO), which may make people lose ... pump corrosives such as seawater, chemical solution, alkaline liquids (used engine oil, alcohols and honey).7. Locate the water pump on ...