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I don't think "Rubbing Alcohol" is Meths.
Meth is unrelated.
Methanol: Evaporates very quickly. Rare outside of a lab. Very poisonous. Makes you blind if you don't die.
Methylated Spirit: Meths, denatured alcohol, wood alcohol. Usually a mix of Methanol and Ethanol. May have other additives and is usually coloured/ dyed. Used to start a Primus, degrease and for small spirit burners (used to boil a small kettle up to 1940s, also toy steam engines and beginners chemistry sets).
Surgical Spirit: Mostly Ethanol, perhaps a little Methanol and Antiseptic. Some water. At a pinch it will do for cleaning/degreasing.
Ethanol: Pure form of what is in alcoholic drinks. The strongest drinks are about 50% water. A 100 degrees proof was originally the mix of water and alcohol that didn't prevent gunpowder burning? Degrees Proof is different in USA & UK.
Propanol: AKA IPA, used industrially for cleaning / degreasing. Obviously different when poured/ shaken, evaporates slowly. Also called rubbing alcohol. Probably poisonous.
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