• Construction services
• Installation and repair services
• Mining extraction, oil and gas drilling
• Services in the field of construction, as well as services involving the restoration of objects to their original condition or their preservation without altering their physical or chemical properties
• Construction and demolition of buildings, roads, bridges, dams or transmission lines, as well as services in the field of construction, for example, interior and exterior painting, plastering, plumbing, heating equipment installation, and roofing
• Shipbuilding
• Rental of construction tools, machines and equipment, for example, rental of bulldozers, rental of cranes
• Various repair services, for example, those in the fields of electricity, computer hardware, furniture, instruments, tools
• Various restoration services, for example, building restoration, furniture restoration and restoration of works of art
• Maintenance services for preserving an object in its original condition without changing any of its properties
• Cleaning of different objects, for example, windows, vehicles, clothing, as well as the laundering and pressing of clothing