- Treatment of materials
- Recycling of waste and trash
- Air purification and treatment of water
- Printing services
- Food and drink preservation
- Services rendered by the mechanical or chemical processing, transformation or production of objects or inorganic or organic substances, including custom manufacturing services
- Transformation of an object or substance and any process involving a change in its essential properties (for example, dyeing a garment) or repair or maintenance work (for example, chromium plating of motor vehicle bumpers)
- Services of material treatment which may be present during the production of any substance or object other than a building, for example, services which involve cutting, shaping, polishing by abrasion or metal coating
- Joining of materials, for example, soldering or welding
- Processing and treatment of foodstuffs, for example, fruit crushing, flour milling, food and drink preservation, food smoking, freezing of foods
- Custom manufacturing of goods to the order and specification of others, for example, custom manufacturing of automobiles
- Services of a dental technician