Related Occupations for Task 47-5011.00 - Derrick Operators, Oil and Gas

Set and bolt crown blocks to posts at tops of derricks.

• 47-2031.00 Carpenters
• 47-2181.00 Roofers
• 47-2121.00 Glaziers
• 47-3016.00 Helpers--Roofers
• 47-2221.00 Structural Iron and Steel Workers