Poured concrete has been the traditional material, but as more and more alternatives become available, plain concrete is yielding to ties, pavers, gravel and even tiles.

浇混凝土一直是传统材料，但随着越来越多的替代品的推出，普通混凝土的屈服关系，摊铺机，碎石，甚至瓷砖。

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We are looking at other metal and material alternatives to offer a more comfortable price point to our end consumers.

FORBES: Connect