SFGTV2 March 4, 2013
If you have a broken pipe. They will spin like mad. When its daylight, go home, you have the heater on or the oven, look at the top wheels they are spinning got now mad. If you turn on every Gas Appliance in our house they will move. If you break a pipe it will spin like mad. You smell gas its dad egg smell its methane. It rises, its lighter than air. If you smell the natural gas you want to get out. Shut off the gas and ventilate the room. Get the natural gas out. To test it you want to turn it...
Source: archive.org