Solvents dissolve oil, grease, and rubber. These resist oil, acid, grease and mildew. It is also resistant to oil, grease and solvents. It is used as a solvent for removing grease and sticky residue. The repair involves lubricating the switch assembly with a special fluorine grease. The lime saponifies some of the triglyceride that comprises oil to give a calcium grease. Alkaline chemicals break down known soils such as grease and mud. Surfactants attacked both grease and food spills. Cleaning agents specially made for removal of grease are called degreasers. To prevent the brake from seizing it was kept filled with grease. Similarly, mechanics get their groins smeared with old dirty grease. Sandy and Danny depart in Greased Lightnin', which takes flight ("Grease"). There is some controversy about whether to grease carbon seatposts or not. It is traded as the commodity, yellow grease. Lithium stearate is an important component of grease.