Transact Gungahlin

[Doug.Palmer at csiro.au]

> But actually putting it *inside* the gas pipeline is an 
> interesting idea....

For large gas pipes, cleaning out deposited water/gunk is a problem. They
have "pigs" which squeegee along the pipes, flushing the water out. I would
have thought that having cable in the pipes would make this a little
difficult. 

Does this build-up not become a problem in smaller gas pipes?