A welding torch can be found in storage areas or some toolboxes.
Its uses include:
- Welding airlocks shut
- Opening welded airlocks
- Cutting through walls
- Attacking the blob
- Attacking other people
Welding torches can only carry 20 units of fuel, and need to be refuelled at a fuel tank when this has been used up.
Click on them in your inventory to turn the torch on.