| 720Contractors and supervisors, industrial, electrical and construction trades and related workers |
Contractors and supervisors, industrial, electrical and construction trades and related workers |
| 723Machining, metal forming, shaping and erecting trades |
Machining, metal forming, shaping and erecting trades |
| 724Electrical trades and electrical power line and telecommunications workers |
Electrical trades and electrical power line and telecommunications workers |
| 725Plumbers, pipefitters and gas fitters |
Plumbers, pipefitters and gas fitters |
| 727Carpenters and cabinetmakers |
Carpenters and cabinetmakers |
| 728Masonry and plastering trades |
Masonry and plastering trades |
| 729Other construction trades |
Other construction trades |
