
1) Certain industrial fuel 2) Combustible mixture 3) Engine fuel
Found on
https://www.crosswordclues.com/clue/airgas

Airgas, Inc., headquartered in Radnor Township, Pennsylvania, through its subsidiaries, is the largest U.S. distributor of industrial, medical and specialty gases (delivered in packaged or cylinder form), and hardgoods (welding, safety and related products). ==Business Activities== Airgas is also the third-largest U.S. distributor of safety produc...
Found on
http://en.wikipedia.org/wiki/Airgas
No exact match found.