Across
- 3. a gas that has no colour, smells strong and mixes with water.
- 7. something breaking apart or exploding
- 8. electrical tools or wiring.
- 9. officially let someone do something.
- 10. Be safe from harm or not likely to get hurt.
Down
- 1. a person in charge of others
- 2. easily set on fire.
- 4. a plan or rules for how something is done.
- 5. run by a machine
- 6. a situation that needs quick action.