7 Mixing machine for use in polyurethane and polyurea chemical processing; Power-operated polyurea and polyurethane spraying and finishing equipment and systems, parts, and accessories therefore, namely, proportioners for mixing and dispensing chemicals, polyurea and polyurethane applicators, a liquid circulating and supply system comprised of pumps for machines, tanks, polyurea and polyurethane applicators, and air compressors.