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Have you ever wondered what's going on inside the machines you use every day? How does an escalator haul hundreds of people up a slope as steep as Mount Fuji? How can a simple shopping cart carry a load six times its own weight? How does a car wash scrub dirty vehicles clean without leaving a scratch? Using CGI animation, MACHINES: HOW THEY WORK dives deep inside ordinary machines to reveal their extraordinary inner workings.Each episode of MACHINES: HOW THEY WORK explores the secret workings of three different machines of all shapes and sizes; from parking meters and coffee machines to 3D printers and padlocks. Immersive footage shot inside the factories where these objects are built and tested, reveals their ingenious mechanics alongside the larger than life characters who design and construct them.

Episode Title: Water Bomber, Combine Harvester, Wind Tunnel, 50 Cal Machine Gun
Airs: 2010-04-29 at 22:00