| 摘要 |
They are formed by a central core of clay or a similar, strong material 1 which is able to have, in its inner zone, a set of partitions for stiffening the whole assembly 2, said central core receiving, both internally and externally, a layer of plaster 3 of arbitrary thickness, one of the lateral faces 4 thereof having no such covering and this is where the aforesaid lateral face of the strong core will remain visible. Their preferred use in construction will be for the formation of double walls or partitions where their lateral face without the covering is on the inside of the block or wall. <IMAGE>
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