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188:). Plastic blades tend to have a more complex shape with several thick "fingers" linked together. This form helps the blade to flex, since most modern car windows have a slight curvature. The "fingers" also often have ridges on top, so the scraper can be flipped over to break up thick ice. More complex designs exist to improve ice clearance on curved glass on automobiles.
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The blade of an ice scraper is usually flat if it is made out of metal, though some varieties include ridges that can be helpful if it is necessary to break up a sheet of ice (such as what collects in
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181:-like enclosure to help keep the user's hands warm and dry when using the scraper.
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to remove water if the ambient temperature is near the
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