21. Several common methods are solvent degreasing, vapor degreasing and using an aqueous parts washer. 22. In 1971, Gary Minkin developed an aqueous based parts washer for degreasing automobile parts. 23. Seven cups degreased veal or beef stock 24. Independent tests by Merzer showed her Doritos contained perchlorethylene, a degreasing solvent and possible carcinogen. 25. Cleaning methods may include solvents, alkaline cleaning steps, vapor degreasing , or media blasting. 26. Heat and a degreasing agent ( e . g . acetone ) would get almost all. 27. To facilitate this, frequent processes performed on substrates are degreasing , neutralization, and rinsing. 28. Degrease metal parts with brake cleaner.29. However, some degreasing equipment has a circulation and filtering system or some sort of elevation mechanism. 30. For something like this one would need to thoroughly degrease and then depend upon silicon grease only.
