75023070
Nov 21, 1995
May 5, 1998
material treatment, namely, treatment of waste material and handling and treatment of slag, scrap, coke and nuclear fuels; reclamation of solids from aqueous media; purification of water; water proofing and sealing of buildings; heat treatment of products made of metal and alloys; reprocessing of nuclear fuels; purification and extraction of minerals by chemical and magnetic methods; surface finishing articles of common metal; electroplating; grinding; and welding
Treatment of Materials