Across
- 1. Where gas pipelines are usually located for safety.
- 5. The starting point of the gas distribution system.
- 6. Professionals who design gas systems.
- 7. Important feature for making the gas system work well and at a low cost.
- 8. Long tubes used to transport gas.
- 9. The most important aspect to consider in gas system design.
Down
- 2. The act of moving gas from one place to another.
- 3. Important devices that stop the gas if there is a problem.
- 4. Device that measures gas usage in homes.
- 6. Needed by homes for warmth and cooking.