How can I stop a compressed gas regulator from whistling? [more inside]
posted by harkin banks on Mar 18, 2009 - 8 answers

Electrical engineering / voltage regulatorfilter: I'm searching for manufacturer or vendor sources on high quality, 220V to 240V automatic voltage regulators. This is for use with telecommunications/GSM/ISP equipment in the third world. Any other advice related to the subject will also be greatly appreciated. [more inside]
posted by thewalrus on Oct 10, 2008 - 1 answer

How can I breathe from the regulator underwater while taking my mask off!?? [more inside]
posted by fogonlittlecatfeet on Sep 17, 2008 - 15 answers

Can I replace the water pressure regulator in my home by myself or do I have to have a licensed plumber do it? [more inside]
posted by thewiseacre on Sep 24, 2006 - 7 answers