For example, there are organic solvents, inclusive of aliphatic hydrocarbons such as hexane or heptane, cycloaliphatic hydrocarbons such as cyclohexane or cycloheptane, aromatic hydrocarbons such as benzene, toluene or xylene, halogenated hydrocarbons such as chloroform, carbon tetrachloride, dichloromethylene or dichloroethylene, and halogenated aromatic hydrocarbons such as dichlorobenzene or ch