If testing whether a gas leak or not. Use soapy water to paint rubbed questions or gas lines. If a leak should see bubbles coming up stitch should call the gas to help resolve immediately.
If the test that the wire was a gas leak, use water and SOAP to the area in question, or the gas line leading to a kiss. If the leak will see bubble put up should get people to send gas to help resolve immediate.
If you test that calls the gas leak or not, use soapy water and painted the suspect or stroked along the line GAS LEAK to see if bubble caldron. People should be called to come in and help resolve the gas quick