ELECTRICAL INSTILATION

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Across
  1. 3. a chronic (long-term) lung condition caused
  2. 5. prevents live wire from overloading
  3. 8. safe lifting technique
  4. 9. at the bottom of company progression route
Down
  1. 1. protects against non-toxic nuisance dusts.
  2. 2. organsations deal with plumbing
  3. 4. A voltage drop in an electrical circuit
  4. 6. specialist roles of plumber
  5. 7. types of screwheads
  6. 10. is used for drilling into masonry