How Do They Do It?

E1 Opal, Stunt Planes, Nougat E2 Saffron, Ice Roads, Shelby E3 Toilet Paper, Absinthe, Cricket Balls E4 Salad, Rope, Insulin E5 Locomotives, Clotted Cream, Boomerangs E6 Sardines, Piaggio Scooters, Erector Sets E7 Plane Painting; Clogs; Pasties E8 Bells, Hurricane Clear Up, Dates E9 Titan Tires, Espresso, Diamond Cutting E10 Paris Sewers, Beretta, Cotton E11 Lion Dance, Tunnel, Super Sopper E12 Pistachios, Forbidden City, Radar E13 Wrecker Trucks, Roquefort, Tree Moving E14 Marble, Mahjong, Escape Slides E15 Kamaz Trucks, Hair Care, Canton Tower E16 Ball Bearings, Cartoonists' Ink, False Eyes E17 Russian Dolls, Aloe Vera, Flags E18 Chinamax, Russian Standard, Abalone E19 St Petersburg Metro, Civet Coffee, Chip Makers E20 Leather, Grand Canal, Flyboard