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Plasma cutting is an exciting technology which uses an electric current and compressed air in order to create plasma – an extremely high energy (hot) liquid-like state of matter that is able to cut through metal with ease at a higher degree of precision than traditional torches.
Things to consider when getting a plasma cutter for your home include the price of the cutter, how much power it requires (and if you have an outlet or generator that can match up with its power requirements) and the material you are cutting.
The material you want to cut with your plasma cutter is important as different strength cutters will be able to cut different thickness metals. Additionally, many plasma cutters cannot cut rusted metal, though some can. Different types of cutters have different technology, so just because it is expensive does not mean it can cut rusted metal.