The workers hauled the old tractor to the scrapyard for dismantling.

scrapyard 是由 scrap（废料、碎片）和 yard（场地、院子）组成的复合词。scrap 指废弃的金属或其他材料，yard 指存放物品的露天场地。scrapyard 合起来指专门堆放和回收废旧金属的场地，即"废品场"或"废料场"。