37 cleaning, refabrication and repair of [heavy] industrial [equipment] vehicles, high pressure water blasting for cleaning purposes, [painting services,] cleaning of drain and sewers; ultra water laser services for cutting purposes; cleaning industrial sites by the use of chemicals; cleaning of ground water with chemicals and mechanical filters, asbestos removal and reinsulation services; explosive deslaging for cleaning purposes; arranging for disposal of chemical and toxic waste for others; and remedial site restoration; namely, restoration of industrial sites to working condition