Related Occupations for Tool 53-5021.00 - Captains, Mates, and Pilots of Water Vessels

Blocks or pulleys — Sheave blocks

• 47-2011.00 Boilermakers
  Block and tackle equipment; Chain pulleys
• 47-2021.00 Brickmasons and Blockmasons
  Block and tackle equipment; Chain blocks; Rope and pulley systems
• 53-7021.00 Crane and Tower Operators
  Hook blocks
• 47-5011.00 Derrick Operators, Oil and Gas
  Chain blocks
• 49-2094.00 Electrical and Electronics Repairers, Commercial and Industrial Equipment
  Block and tackle equipment