Set and bolt crown blocks to posts at tops of derricks.
Task
Occupations performing this task
Occupations performing related activities
- Carpenters
- Coating, Painting, and Spraying Machine Setters, Operators, and Tenders
- Construction Laborers
- Excavating and Loading Machine and Dragline Operators, Surface Mining
- Glaziers
- Hazardous Materials Removal Workers
- Helpers--Brickmasons, Blockmasons, Stonemasons, and Tile and Marble Setters
- Helpers--Carpenters
- Helpers--Electricians
- Helpers--Painters, Paperhangers, Plasterers, and Stucco Masons
- Helpers--Roofers
- Hydroelectric Plant Technicians
- Painters, Construction and Maintenance
- Paperhangers
- Paving, Surfacing, and Tamping Equipment Operators
- Plasterers and Stucco Masons
- Roof Bolters, Mining
- Roofers
- Structural Iron and Steel Workers
- Structural Metal Fabricators and Fitters
- Welders, Cutters, Solderers, and Brazers
Source: O*NET database (task_statements)
