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; soldering flux in paste and liquid form for use in the metal working, air conditioning, refrigeration, plumbing and heating industries; temperature indicating chemical 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; polytetrafluoroethylene (PTFE) paste sealant for metal and plastic pipe threads; two-component epoxy based sealants to prevent leakage in pipes, drains, tanks, masonry and fixtures; repair cement for sealing leaks, cracks, pinholes and other flaws in welds of containers, namely, water tanks, low pressure air tanks, gasoline tanks, oil tanks and fuel tanks in airplanes