Most Scuba tanks are filled with simple purified air.
However, some are filled with oxygen enriched air called 'nitrox' or (less commonly) a blend of helium, oxygen and nitrogen called 'trimix' or (even less commonly) helitrox or heliox.
There are many types.
Aluminum Scuba tanks are pressed from a slice of Aluminum.
Here is a video from YouTube (search scuba tank):
http://www.youtube.com/watch?v=qAgSU6BCpsY
Steel can be welded or rolled.
How It's Made - 2001 Car Tires Silk Art Conservation Scuba Tanks was released on: USA: 1 August 2013
SCUBA tanks are metal (usually steel or aluminum) that are filled with compressed air. This is loosely related to a pneumatic system.
Hide behind those water tanks. The scuba tanks are filled and ready to go.
You could buy your own portable diving compressor, my dive buddy has one, there not silly expensive . You must get fills from a compressor designed for diving (breathing) as the air is filtered and moisture removed.
Under 25
Most SCUBA divers dive with compressed air, which is normal atmospheric air compressed into a scuba tank.
Fluid logic.
so the diver can breath.
By oxygen tanks - similar to SCUBA divers.
Scuba tanks are typically filled with compressed air, which is a mixture of oxygen and nitrogen. However, some scuba tanks may also contain a noble gas such as helium as part of a special gas mix called trimix, which is used for deep dives to reduce the risk of nitrogen narcosis.
it has Scuba tanks of oxigen.
it has Scuba tanks of oxigen.