Industrial chemicals; chemical compositions for repairing leaks, for repairs, for water-proofing conduits and pipes for water, gas and hydrocarbons; adhesives for industrial purposes; glue for industrial purposes; fillers for automobile bodies; oil cement; adhesives, other than for stationery or household purposes; carburizing powder, namely, carbon for industrial purposes; chemical metal tempering preparations for facilitating the alloying of metals; reagent for chemical analyses in laborato...