The sand or plumbers spring method is the classic one. I can remember dad doing this I got to hold the blowlamp to heat the section, the colour changes on the pipe when the flame was on it fascinated me.
The sand or plumbers spring method is the classic one. I can remember dad doing this I got to hold the blowlamp to heat the section, the colour changes on the pipe when the flame was on it fascinated me.
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