Primarily lead, which they also used in their make-up and to fortify their wine. Which partially explains why so many of them were batshit crazy.
Chat with our AI personalities
That was the best material they had.
Lead water pipes.
Because that was the best material they had at that time.
Yes and it still widely used even today
At the time of the Roman Empire, the Romans used pipes made of lead, because it is a cheap metal that is easily worked into pipes, and which unlike iron doesn't rust. The Romans didn't worry about lead poisoning. Lead pipes continued to be used even into the mid 20th century, before we became more concerned about the danger of lead poisoning.