| 40 |
timber preservation |
| 40 |
timber processing |
| 40 |
tin forging |
| 40 |
tin forging services |
| 40 |
tin plating |
| 40 |
tin smithing |
| 40 |
tin smithing services |
| 40 |
tin-plating |
| 40 |
tinning |
| 40 |
tinsmithing |
| 40 |
tinsmithing services |
| 40 |
tinting of car windows |
| 40 |
tire recycling |
| 40 |
tire vulcanisation [material treatment] |
| 40 |
tire vulcanization [material treatment] |
| 40 |
tombstone engraving |
| 40 |
transfer printing |
| 40 |
transfer printing services |
| 40 |
transformation of materials |
| 40 |
transformation of waste |
| 40 |
trash incineration |
| 40 |
treating [forging] of metal |
| 40 |
treating materials with ultrasonic waves to modify their properties |
| 40 |
treating of metal |
| 40 |
treating of metal [forging] |
| 40 |
treatment [reclamation] of industrial waste |
| 40 |
treatment [recycling] of waste |
| 40 |
treatment [transformation] of waste |
| 40 |
treatment and coating of metal surfaces |
| 40 |
treatment and processing of clothing for recycling purposes |
| 40 |
treatment and processing of foodstuffs |
| 40 |
treatment and processing of ores and ore concentrates |
| 40 |
treatment and processing of plastic materials |
| 40 |
treatment and processing of plastics |
| 40 |
treatment and recycling of packaging |
| 40 |
treatment and transformation of materials |
| 40 |
treatment of animal waste |
| 40 |
treatment of biopharmaceutical materials |
| 40 |
treatment of buildings to prevent mildew |
| 40 |
treatment of buildings to prevent rot |
| 40 |
treatment of captured biogas |
| 40 |
treatment of chemical waste |
| 40 |
treatment of chemicals |
| 40 |
treatment of cloth |
| 40 |
treatment of coal |
| 40 |
treatment of common metal materials |
| 40 |
treatment of contaminated soil |
| 40 |
treatment of cooked foods |
| 40 |
treatment of drinking water, service water and waste water |
| 40 |
treatment of effluent |