Aqueous cleaning is commonly used in, mainly, the metal working and electronics industries. It involves the cleaning of parts or products making use of water based cleaners.
Such cleaners will remove oil and grease from the parts or products but allow removal of the oil "in process". Such removal can be very advantageous for the user since it will significantly extend the life of the cleaner; provided separation is done in the proper way, i.e. using the right products and implementing them in the right way.
The advantages for the user are: