37 Rental of industrial equipment and heavy machinery, namely, aerial work platforms, elevating work platforms, mobile elevating work platforms, truck-mounted aerial and elevations platform; Leasing of industrial equipment and heavy machinery, namely, aerial work platforms, elevating work platforms, mobile elevating work platforms, truck mounted aerial and elevations platform; machinery maintenance services, namely, maintenance services for industrial equipment and heavy machinery in the nature of aerial work platforms, elevating work platforms, mobile elevating work platforms, truck-mounted aerial and elevations platform