It's called an "air float" table, and I've got one on my valve seat and guide machine. Air hockey on steroids!

Yep, that's a machine exactly like one of the two I've got. The older one doesn't have an air float- - - -yet.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!