Across
- 2. The spinning shaft in a mill or lathe
- 4. Red gemstone used as the tip of a measuring-machine probe
- 6. The science of measuring things
- 8. Gently reheating hardened steel so it is less brittle
- 11. Workshop tool that clamps a part tightly in place
- 15. Extremely heavy metal used in old light-bulb filaments
- 16. Twisting force, measured in newton-metres
- 17. Machine that spins metal while a blade shapes it
- 18. Wheel with a rope used to lift heavy loads
- 21. Toothed wheel that transfers motion and changes speed
- 22. Measuring tool with two jaws that grip an object
- 24. Tool that measures tiny thicknesses by squeezing a part between two ends
- 25. Light silver metal used for foil and drink cans
Down
- 1. Round gauge with a needle, used to check if a part is flat or wobbly
- 3. Dunking hot metal in water or oil to cool it fast
- 5. Spinning bladed wheel in jet engines and power plants
- 7. Gas that shields the weld in TIG welding
- 9. Part that moves up and down inside an engine cylinder
- 10. Part with rolling balls that lets a shaft spin smoothly
- 12. Strong alloy of iron and carbon, used in almost everything
- 13. Simple machine, a bar that pivots on a fulcrum
- 14. Joining metal parts by melting them together
- 19. Shiny metal that makes steel stainless
- 20. Force that slows two rubbing surfaces, creating heat
- 23. Tool that makes round holes