In the twentieth century, the first plumbing pipes were made from galvanized steel water pipes, but users experienced problems with the internal build-up of rust which reduced water volume, but these were replaced by copper pipes in the late 1960s.
In the twentieth century, the first plumbing pipes were made from galvanized steel water pipes. As users experienced problems with the internal build-up of rust which reduced water volume, these were replaced by copper pipes in the late 1960s.