has ability has skill has job zone critical thinking equipment maintenance operation and control operation monitoring quality control analysis troubleshooting occupation holder with job zone 3 arm-hand steadiness control precision finger dexterity manual dexterity near vision problem sensitivity boilermaker (broad) boilermaker 3 https://www.bls.gov/oes/current/oes472011.htm Finger Dexterity Critical Thinking Troubleshooting Operation and Control Oliver He Sam Smith Quality Control Analysis Equipment Maintenance Arm-Hand Steadiness Near Vision Manual Dexterity 47-2011.00 Operation Monitoring Boilermakers Control Precision Problem Sensitivity Construct, assemble, maintain, and repair stationary steam boilers and boiler house auxiliaries. Align structures or plate sections to assemble boiler frame tanks or vats, following blueprints. Work involves use of hand and power tools, plumb bobs, levels, wedges, dogs, or turnbuckles. Assist in testing assembled vessels. Direct cleaning of boilers and boiler furnaces. Inspect and repair boiler fittings, such as safety valves, regulators, automatic-control mechanisms, water columns, and auxiliary machines.