What bellows is made of
A device for blowing air into a forge.
- Valve — has part. A valve in the bellows lets air in when they open and keeps it from escaping back.
- Leather bellows bag — has part. It changes volume when squeezed.
- Wooden bellows boards — has part. Rigid walls.
- Check valve — has part. An air intake valve.
- Bellows nozzle — has part. It directs air into the forge.
- Pressure — uses. Bellows push air by pressure.
- Leather — is made of. Bellows are a leather bag.
- Wood — is made of. With wooden boards.