How Do They Do It?

E1 Panama Canal, Waste Disposal E2 World's Strongest Knife, Diamonds, Bricks E3 Electricity, Floating Crane E4 Drinking Water, Television Screens, Family Cars E5 Overnight Parcel Delivery, Coal Mining E6 Tetra Pak, Pre-Fab Houses, Ambulances E7 Weather Forcasting, Hovercrafts E8 Freeways, Minting Coins E9 Container Ships, Peterbilt Trucks E10 Windshield Wipers, Space Shuttle, Binoculars E11 Transporting Oil Rigs, Electric Razors E12 Halogen Light Bulbs, Mufflers, Locks E13 Airbus, Chainsaws E14 Hydroelectric Dam, Silicon Chips E15 Refine Crude Oil, Swiss Army Knife E16 Carpets, LEGO E17 High-Speed Trains, Ballpoint Pens E18 Mirrors, 2D and 3D Vehicle Wrapping E19 Durable Jeans, Perfect Wine Glasses E20 Aluminium Foil, GPS Systems