Which element is plumbers in rome used for pipes less today?

In Rome, the use of lead for Plumbing pipes has significantly declined due to health concerns related to lead poisoning. Historically, lead was favored for its malleability and resistance to corrosion, but modern plumbing now primarily utilizes materials like copper, PVC, and PEX, which are safer and more durable. The shift away from lead reflects a broader awareness of public health and safety standards in construction and plumbing.