in the industry and “dry-cleaning fluid” by the public. It is often used instead of hand washing delicate fabrics, which can be laborious. Solvents used Glycol ethers (dipropylene glycol tertiary-butyl ether) (Rynex, Solvair, Lyondell Impress) are in many cases more effective than perchloroethylene (perc) and in all cases more environmentally friendly.