Even with uncountable nouns, for specific instances/types, we have nouns preceded by indefinite articles as in the following examples. There are many versions of this proverb, which suggests there are always several ways to do something. The original is now you're cooking with gas, supposedly part of an ad campaign from the era when gas stoves first started replacing wood.
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Meaning do fellatio is first recorded 1928. Product names which are derived after an inventor's name will often remain capitalized, though not always (e.g.