4 Lubrication Greases and Oils-Namely, Greasing Oils, Lubricating Oils; Mineral Oils; Oils for Machines; Lubricants (Greases, Oils); Products for Alimentation of Engines and Petroleum Products-Namely, Multifunctional Additives to Be Used in Fuels for Four-Stroke Engines and Having Dispersant, Anticorrosive, Antirust and Complete Miscibility with Fuels