Utility knife: Great for cutting vinyl floor-ing, roofing shingles and building materials.

工具刀：用于切割乙烯塑料地板材料，屋面瓦和建筑材料。

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Utility knife: Great for cutting vinyl flooring, roofing shingles and building materials.

工具刀：用于切割乙烯塑料地板材料，屋面瓦和建筑材料。

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The solar shingles look almost exactly like traditional asphalt roofing shingles while costing less than regular solar panels.

太阳瓦看起来与传统的沥青瓦片类似，并且比常规的太阳能板便宜。

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Asphalt shingles ( the most common roofing material in the U.S.) can become loose, cracked, be blown off by the wind or be damaged by hail.

FORBES: The Hidden Costs Of Home Ownership