1 soldering flux; chemical liquid for use in gas leak detection in the metal working, air conditioning, refrigeration, plumbing and heating industries; paste for absorbing heat during soldering, brazing, and welding operations in the metal working, air conditioning, refrigeration, plumbing and heating industries; chemicals, namely, fluorescent gas leak detection compounds for use in the metal working, air conditioning, refrigeration, plumbing and heating industries; chemical compositions for filling in nicks and scratches on plastic and metal surfaces; combination flux and solder in paste or liquid form for use in the metal working, air conditioning, refrigeration, plumbing and heating industries; temperature indicating compositions in pellet, stick and liquid form which, by melting at particular temperatures, indicate temperatures of adjacent surfaces; chemical compositions in the nature of a liquid spray for detecting gas leaks in the refrigeration, plumbing, air conditioning, heating and piping industries; adhesive cement for plastic pipe and fittings