Lead-free solder alloys have been around for as long as people have done soldering, with sources dating back about 5,000 years. Most of these alloys were combinations like copper-silver or silver ...

Cutting copper usually creates these sharp-edged burrs, and they need to be removed for your soldering to work properly. Clean dirt and corrosion off the outside of the pipe end with a 120-grit ...

Haverhill residents confused by, or worried about, a letter from the city about lead pipes will receive a fuller explanation ...