矛盾的尖锐化人类自远古便用徒手盖筑住所,棚盖、间壁、砖瓦、屋顶以及其他一切建筑零件也都用手工制造。虽然通过许多世纪的实践,慢慢得出了一些比较简便的办法来砌造房屋,随着技术的进步,建筑材料的手工制造也为机器所代替了,但是建筑的方法基本上没有改进,仍旧和从前一样地用手工堆砌,所以,即使到了用机器来生产建筑材料的时候,建筑材料的大小和形状几乎还是没有什麽改变。我们曾有过一些出色的瓦匠——斯达哈诺夫式 Contradictory sharpening Humans have built their homes with freehand since ancient times, and sheds, partitions, bricks, roofs and all other construction parts have also been made by hand. Although through many centuries of practice, some relatively simple methods have slowly come to be used to build houses. With the advancement of technology, hand-made building materials have also been replaced by machines, but the method of construction has not improved substantially. As it was done by hand, it was almost no change in the size and shape of the building materials even when they were used to produce building materials. We have had some outstanding bricklayers - Stakhanov