【正确答案】 C

【答案解析】Dimensional stone blocks extracted from the quarries have to be processed in order to be transformed into the final products that will be fed in the market. Today the market demands for final products of high accuracy in dimensions and high quality polishing. The processing phase constitutes the most important section of the modern stones industry. The specific kind of natural stone to be processed must always be taken under consideration, because it determines the processing cycle, the choice of machinery, the technology employed, the processing cost and the commercial value of the products. The processing sequence in general involves the stages of block squaring, block sawing in slabs, slab polishing, slab cutting into strips, strip cutting into tiles and finishing.

【正确答案】 B