Vegetable oils have been used as metalworking fluids (MWFs) for many years. particularly in small-scale metalworking operations and in industries where environmental regulations are strict. Before the development of modern MWFs. vegetable oils were one of the most common lubricants used for metalworking tools. https://www.chiggate.com/jerome-brown-philadelphia-eagles-mitchell-ness-1990-legacy-jersey-discount/