Season 12 Episodes20
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Ranked #13 of 20 in Season 12•−0.1 vs season avg
The powerful machines essential to building roads and highways are made; No pans are needed when you can bake bread in a can; Luxurious cell phones are made with rubies and sapphires.
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"Road Rollers, Canned Bread, Vertu Phones" is episode 6 of How Do They Do It? season 12. It scored 7.0/10 from 12 votes, ranking #13 of 20 episodes this season (season average 7.1). It aired on June 11, 2015.