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Can you design a 12-inch wiper that would clean more area than either of the two types in the challenge?

Look at some cars, trucks, and other vehicles. How are their windshield wipers designed? How many different designs can you find?

Which do you think would clean a windshield better: one large wiper or two smaller wipers that overlap?

 

How do rear-window wipers differ from windshield wipers?

Why do some Mercedes use only one big wiper instead of two?

 
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