The Romans used lead or clay piping to move drinking water to bathhouses, residences and amphitheaters. As we described previously, direct continued to become the go-to pipe for plumbing until finally throughout the 1930s when galvanized steel attained in attractiveness. Generally, a galvanized pipe should have threading on Every single https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html