An Afghan brick worker shows his dirty feet, after using them to mix the clay on November 6th, 2009 in Kabul, Afghanistan.
2009年11月6日,阿富汗喀布尔。一名砖厂工人搅拌粘土后沾满泥土的双脚。
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In the engineering construction in traditional technology of claybrick wall is one of main material form, and, to some extent, waste of land resources.
在工程建筑的传统工艺中粘土砖是墙体构成的主要材料之一,在一定程度上浪费了土地资源。
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Others shall control or prohibit the production and use of solid claybrick by stages and groups according to the state plan.