{HEAD ~ Useful solvents} can comprise water, alcohols such as methanol, ethanol, propanol and isopropanol, N methylpyrrolidone, aromatics such as benzene, toluene and xylene, ketones such as acetone, ethers such as ethyl ether, esters such as ethyl acetate or {TAIL ~ mixtures} thereof 
comprise
{ HEAD ~ Useful solvents } can comprise water , alcohols such as methanol , ethanol , propanol and isopropanol , N methylpyrrolidone , aromatics such as benzene , toluene and xylene , ketones such as acetone , ethers such as ethyl ether , esters such as ethyl acetate or { TAIL ~ mixtures } thereof
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