. "Also, other usable examples include alkali metal or alkali earth metal hydroxides such as sodium hydroxide, potassium hydroxide and calcium hydroxide, alkaline salts such as sodium hydrogen carbonate and ammonium hydrogen carbonate, or quaternary ammonium salt hydroxides such as tetramethylammonium hydroxide (TMAM), trimethyl-2-hydroxyethylammonium hydroxide and choline, and the like." . . .