按国家大规模建设的需要,每年要制造数以百亿块的普通砖材(约需良田两万多亩),才能满足客观形势的需要。为了更好的贯切党的方针政策,支援农业,少占或不占农田,全国各地建筑部门都在大力发展新的建筑砖材。下面介绍几种因地制宜就地取材,少用或不用粘土充分利用废料的普通砖材,供同志们参考。 According to the needs of the country’s large-scale construction, hundreds of billions of ordinary bricks are needed each year (about 20,000 mu of fertile land) to meet the needs of the objective situation. In order to better follow the party’s policies and policies, support agriculture, and occupy less or no farmland, the construction departments throughout the country are vigorously developing new building materials. Here are a few common bricks that are adapted to local conditions, where little or no clay is used to make full use of waste, for reference by comrades.