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soilder
Pvc pipes are cheaper. They are easier to join. They last longer.
To join copper wires or pipes to each other.
For supply, it is copper and galvanized iron. For waste, ABS (plastic) or cast iron.
Copper pipes are now most commonly used in plumbing. Lead pipes were used long ago, and the word plumbing is derived from the Latin word for lead (plumbum). Iron pipes were used until relatively inexpensive copper pipes became readily available during the twentieth century.
oxidizing is the gain or loss of an oxygen molecule. for example if you have an older plumbing system with galvanized iron pipes, your pipes are probably beginning to become rusty which is the galvanized iron pipe oxidizing. in copper pipeing oxidizing is much less trouble and costly. oxzidation of copper pipes is the discoloration of the exterior of the pipe.
Pipes are made of many different materiels, for different purposes, theres plastic PVC pipes, alluminium, steel, copper, brass, concrete, titanium, iron, ect.
Yes, it rots them and also makes unsightly bacterial sludge.
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.
Solder. It is an alloy of lead and tin, with a (relatively) low melting point. It only works with Copper or lead pipes.
Iron pipes are made of iron.
Iron pipes are made of iron.