1. select insulation materials
2. build or repair structures in construction, repair, or manufacturing setting
3. cut, shape, fit, or join wood or other construction materials
4. dig holes or trenches for foundations, posts, poles, or related items
5. install siding or sheeting
6. measure and mark lay out for construction projects
7. use measuring devices in construction or extraction work
8. select masonry material to be installed according to specifications
9. adhere to safety procedures
10. clean rooms or work areas
11. repair or replace gas, steam, sewer, or water piping or fixtures
12. clean equipment or machinery
13. fabricate, assemble, or disassemble manufactured products by hand
14. measure and mark reference points or cutting lines on workpieces
15. cut metal or plastic
16. assemble and install pipe sections, fittings, or plumbing fixtures
17. bend tubing or conduit
18. cut, bend, or thread pipe for gas, air, hydraulic, or water lines
19. install underground storm, sanitation, or water piping systems
20. lay out piping systems
21. use basic plumbing techniques
22. use pipe fitting equipment
23. apply adhesives, caulking, sealants, or coatings
24. apply cleaning solvents
25. assist mechanic, or extractive or construction trades craft worker
26. move materials or goods between work areas
27. use hand or power tools
28. install water or sewer treatment plant equipment
29. use acetylene welding/cutting torch
30. requisition stock, materials, supplies or equipment