packsaddle
Silver Member
- Joined
- Oct 17, 2009
- Messages
- 237
Is there a requirement for a "stop switch" for fuel gas in a public school science lab?
It seems to be standard practice these days here in Texas but I need a reference (if one exists).
Thanks, in advance.
It seems to be standard practice these days here in Texas but I need a reference (if one exists).
Thanks, in advance.