obic solvent that provides a primary cleaning function selected from the group consisting of: glycol ethers having the formula R1 O--(R2 O--)m H wherein each R1 is an alkyl group which contains from about 4 to about 8 carbon atoms, each R.sup. 2 is either ethylene or propylene, and m is a number from 1 to about 3, and the compound has a solubility in water of less than about 20%; diols having from