As the raw material (lumber) cost is exhorbitantly high, only the "true masters" are able to maximize use of every piece of the solid wood. Wasted wood increases expenses.
而且由於傢具的每一部分所用原料都是實心木材，成本極高，好師傅懂得如何以最經濟的方式，充分利用每一塊木料，以免增加支出。