Ummm..... cooking?
Seriously, depending on what type of pot or pan, boiling, simmering, steaming, sauteing, frying, deep frying, roasting, baking ....
they used them for cooking and holding water and for storage... they didnt have pots as we know them back then
The Mesopotamians made pottery cooking pots, cups, plates, bowls, and jars.
Pots pans. All that good stuff!
Pioneers would sometimes use horsetails to scour their pots and pans.
Pots, pans, and pressure cookers.
Sauce pots can be used for more than just sauces. These pots can be used for the usual sauces, gravies, rouxs, marmalades, and other things--but can also be used for soups and other liquid based dishes.
Steel, Copper and Aluminium pots
Stone age pots were used for a variety of purposes, including cooking food, storing water and other liquids, and as burial containers. They were essential tools for early humans for cooking, food storage, and facilitating social interactions.
no they use wood and fire for cooking
heating your house cooking making pots providing heat in caveman times
I believe that would have been in clay pots.
All stainless steel cooking pots do discolor but you can keep them looking shiny and new with a cheap cleanser called The Barkeeper's Friend.Yes, it is common for stainless steel cooking pots to discolor from the heat.