At the foot of the slope there are cinderblock houses, but as you climb the ridge, concrete gives way to wood and tarpaulin, then cardboard and twigs.
坡脚下有些炉渣砖的房子，越往上到了山脊处，就只有些木材和防水布，或者纸板和树枝搭建的房子。
2
Study is made on preparation of small concrete hollow block using cinder wet discharged from power plant instead of sand by laboratory and industrial experiments.
通过实验室试验和工业性试制，对用电厂湿排煤渣替代砂配制的混凝土小型空心砌块进行了研究。
3
At present, China's construction industry, roof insulation, turn on the beam used in filling or expanded perlite, etc., ceramic, aerated concreteblock, cinder and so on.