A Ranch
You need flux to solder pipes properly. However many modern plumbers never solder, they use plastic or composite pipe like PEX.
Absolutely not
Do not use acid on any drains in the house. They can eat holes in the pipes and cause severe discoloration on chrome fittings that are visible. If you were to use a drain cleaner use an enzme based product that is safe on pipes.
Americium is a chemical element. No other elements are use in it.
We usually don't find nickel pipes, as in pipes made of nickel metal. We do find that nickel is added to other metal(s) to make an alloy that can be used to make different kinds of pipe. Nickel is added to steel alloys to make different kinds of steel pipe, and these pipes find use in a variety of applications.
They used lead - The Latin name for lead is 'plumbum' hence the name plumber.
You need flux to solder pipes properly. However many modern plumbers never solder, they use plastic or composite pipe like PEX.
To hold something in place and keep it from moving. Plumbers use them when cutting pipes for example.
plumbers often use lead, the periodic symbol for lead is Pb. And plumbers #1 things they do is make pipes "plumb" or completely vertical.
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.
Plumbers commonly need to use fractions in their career. The reason for this is that the pipes that they use is measured primarily in fractions, such as 1 3/4' pipe. Plumbers often have to custom make fittings, which requires them to be able to calculate in fractions in order to get a good fit.
"Spanner" is sort of a Britishism for "wrench". Plumbers often use wrenches. Saws are for cutting things, such as boards or pipes. Carpenters use wood saws, while plumbers often use pipe saws.
Iron replaced lead in water pipes.
Oils from putty soak into and discolor marble. Putty not used when putting pipe together.
If you refer to the composition, it is Lead (Latin: Plumbum). "Roman roofs used lead in conduits and drain pipes and some were also covered with lead, lead was also used for piping and for making baths" -Wikipedia
because the pipes don't rust as easy, and silver and gold are too expensive. That is another persons answer. Here are the main 3 reasons plumbers use copper pipes. Copper pipes are relatively non-toxic-unlike lead. Copper pipes do not suffer corrosion-as iron does. Copper pipes are relatively soft and easy to work with-unlike both iron and lead. However more and more homes are now using the plastic pipe such as Pvc and Cpvc which seems to serve the same purpose and are also safe, although both can be used, you still need to find out what code calls for in your city or town an abide by it.
The tool you probably saw was a plumbers wrench. It uses and adjustable metal band to tighten pipes.