In industrial machining
and grinding operations, metalworking fluids are used to reduce heat and friction and remove metal
particles. Fluids can be water-based, including soluble oils and semisynthetic fluids, oil-based, such as
petroleum oils, or a mixture containing anything from oils, emulsifiers and anti-weld agents to corrosion
inhibitors and biocides, among others.
According to the Centers for Disease Control and
Prevention (CDC) there are 1.2 million workers...