Across
- 2. flammable gas
- 3. working without direct control
- 4. often listed as one of the most (if not the most) dangerous jobs (especially coal mining) each year in various dangerous jobs.
- 6. have not been properly secured,the result can be a cave-in causing a mine shaft to close.
- 9. denoting, possessing, or involving weapons using nuclear energy.
- 10. found mainly in underground deposits and widely used as fuel.
Down
- 1. would be done manually in dark technology has improved, we've developed tools and machines to improve the job
- 5. existing in finite quantity; not capable of being replenished.
- 7. a viscous liquid derived from petroleum
- 8. chemicals are frequently used to transform
