37 Installation, maintenance, manufacturing, repair, servicing and technical support services for machine tools for rock cutting, drilling, abrading, sharpening, and surface treatment, machinery, vehicles, and equipment, namely machines, drills, parts of machines, and drill bits, relating to mining, rock excavation, drilling of rock, and construction; rental of mining machines and apparatus, rock excavators, rock drilling tools and construction equipment, machines, machine tools, vehicles and equipment, namely, machines, drills, parts of machines, drill bits; mining extraction, rock excavation, rock drilling and construction services