The protective earth dike shall be earth-filled. no rock brick and concrete block or light and flammable material shall be allowed for filling.
防护土堤应用土填筑，不允许使用石块、砖块及混凝土块或者轻而可燃的材料填筑。
Six new Windows improves the cross ventilation with the south facade, and other elements (stairwell, brick up...) of exposed concrete block.
六个新的窗户提高南立面与其他由暴露的混凝土砌块组成的元素如(楼梯，砖…)的交叉通风。
Dry segmented cup grinders, used on right-angle grinders, they grind all types of concrete, masonry, brick, block and stone.
干分段杯研磨机，在直角磨机使用，但磨水泥，砖，块石和所有类型。
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