1: How Do They Do It? Diamond Mine, Skyscraper, Car Crusher

2: How Do They Do It? Air-to-Air Refuelling, Ski Slopes, Car Production

3: How Do They Do It? Ice Breaker, Money, Bowling Alleys

4: How Do They Do It? Mining Trucks, IKEA, Air Traffic

5: How Do They Do It? Logging, Baggage, Light Show

6: How Do They Do It? Gold, Golf Clubs, Escalators

7: How Do They Do It? Tunnelling, Tea, Mountain Bikes

8: How Do They Do It? Combines, Lifeboats, Chocolate

9: How Do They Do It? Airbus, Fire Engines, Ketchup

10: How Do They Do It? Crash Helmets, Rubber, Wave Piercing

11: How Do They Do It? Airbags, Ice Rinks, Mattresses

12: How Do They Do It? Armored Cars, Elevators, Cheese