| http://www.w3.org/ns/prov#value | - Examples of humectants which can.be used include polyhydric alcohols, such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, tetraethylene glycol, polyethylene glycol, glycerol, 2-methyl-2,4-pentanediol, 1,2,6-hexanetriol, and thioglycol; lower alkyl mono- or di-ethers derived from alkylene glycols, such as ethylene glycol mono- methyl or mono-ethyl ether, diethylene gly
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