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How It's Made: Originally, what were balloons made of? 11 fans have answered this question No one has commented yet 36% medium

Which of these logos is the most baru-baru ini ? 10 fans have answered this question No one has commented yet 40% medium

How It's Made: Before their famous flight in Kitty Hawk, N.C., what did the Wright Brothers do for a living? 6 fans have answered this question No one has commented yet 33% medium

How It's Made: Drumheads are primarily made from Haiwan skins. 6 fans have answered this question No one has commented yet 17% hard

How It's Made: Which of the following products is NOT petroleum-based? 6 fans have answered this question No one has commented yet 0% hard

How It's Made: Which material comprises the inner, buoyant core of a typical sailboard? 4 fans have answered this question No one has commented yet