From wet clay and water to bacon fat, humans have used various substances for lubrication since ancient Egyptian times. But why is lubrication so crucial? In our latest video, we explore the necessity of lubrication and how it prevents friction, heat, and potential damage in machinery. Learn how a simple film of oil can keep surfaces apart, forming a protective layer that ensures smooth operation. Discover the evolution from grooves to pockets in bearings and how proper lubrication is the backbone of modern transport by land, sea, and air. 🚗✈️🚢 #Shell #ShellFilmUnit #HistoricFilmArchive #documentaryfilmmaking #lubrication #engineering #History #1930s --- 🎥 Discover Shell’s Historic Film Archive! 🎥 Since 1934, Shell’s Film Archive has captivated audiences with films on technology, science, engineering, craftsmanship, motorsport, and travel. The celebrated Shell Film Unit, part of Britain’s Documentary Movement, featured key figures like Jack Beddington and John Grierson. T...