The Romans used lead or clay piping to move water to bathhouses, residences and amphitheaters. As we pointed out previously, direct continued being the go-to pipe for plumbing until eventually within the 1930s when galvanized steel received in level of popularity. Seeking certain metallic info, market guides, or metal servicing https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html