> Plumbers don't do much soldering Today no. But in the past of course they did. Every house has 1/2" and 3/4" copper pipe with sweated solder joints. At least

> Plumbers don't do much soldering Today no. But in the past of course they did. Every house has 1/2" and 3/4" copper pipe with sweated solder joints. At least 10's of them in each house, if not 100 or more.