In Tanzania, masons will provide a concreteslab to install above a pit latrine for $5.
在坦桑尼亚,石匠们只要5美元就能用混凝土板给你在茅坑上面垒个厕所。
2
Its roof, a concreteslab supported by columns, is stationary, too.
混凝土板层制成的屋顶也是固定不动的由几根圆柱支撑。
3
Right now it's little more than a concreteslab and some wooden beams, but when it's finished, the barn will provide winter shelter for up to six cows and a few head of sheep.