Across
- 1. it can polish or clean ahard surface
- 3. a tool with rotating cutting tup
- 4. woodworking tool for measuring and making wood
- 6. a study of people efficiency in their working environment
- 7. a sysem of letters and ideas
- 9. electrical tool used forcmelting or applying metals together
- 14. name and protect clothings
- 16. a first version of a device
- 17. saw a saw with a narrow blade stretches across a one shape frame
- 19. convert waste into reusable material
- 20. used in the production of plastic bottles
- 21. a conduction of being protected of danger
- 22. hand tool to make lines on workpieces
- 24. a symble for a word or phrase
- 25. a person who conducts
- 27. a unit of electrical potential
Down
- 2. making a judgment about something
- 5. a series of steps breaking down
- 8. device used to store electric charge
- 10. a simple ay to transfer heat
- 11. close fitting glasses side shield for protecting eyes
- 12. an electromotive terce
- 13. existing research
- 15. research you collect you self
- 18. an offical way of doing something
- 23. individual electronic componenents
- 26. substance that become plastic on heating on heating or harden cooler