1. 泥工，瓦工   mason, bricklayer   board, plank   bulldozer   scaffolding   Hint Half-n-half Clue   2. 盔甲，安全帽   helmet, hard hat   pulley   rafter   soldering iron   Half-n-half Clue   3. 起重机   crane   beam   concrete   stone   Half-n-half Clue   4. 射线   beam   crane   brick   cement   Half-n-half Clue   5. 铁锹   crane   pickax, pickaxe, pick axe   brick   shovel   Half-n-half Clue   6. 建造者   shovel   concrete   builder   wheelbarrow   Half-n-half Clue   7. 脚手架   brick   scaffolding   cement   crane   Half-n-half Clue