... subway, gymnasium,important government office,boarder,and seaport Liquid Scanner -- Model: ST1000* Identify chemical composition of ... aluminum, plastic, glass, porcelain, china, pottery.Identify dangerous liquid More than 30 types: Gasoline, kerosene, diesel oil ... tris the trihalomethanes , ethylene glycol, xylene and other flammable, corrosive liquids Effective scan distanceMetal container: 30mm from ...