Compressed air systems do have some additional safety problems that more "modern" technologies don't have. On my thermodynamics course at college the instructo

Compressed air systems do have some additional safety problems that more "modern" technologies don't have. On my thermodynamics course at college the instructor commented that If the lab block's main storage tank for compressed air let go it would flatten the entire building. This was a full service building , one with air water and electricity plumbed in