We are running special promotional deals in Baulkham Hills until the end of April. Check them outHills Emergency Plumbing Pros on #Google https://t.co/1Ynol0KBqZ— Hills Emergency Plum (@hillsplumbers) March 26, 2018For potable drinking water use, galvanized iron piping was commonplace in America with the late 1800s until finally around 1960.