1. 尖锄，镐，镐   concrete   rafter   scaffolding   pickax, pickaxe, pick axe   Hint Half-n-half Clue   2. 推土机   shovel   level   builder   bulldozer   Half-n-half Clue   3. 板，板条   board, plank   cement   soldering iron   measure tape   Half-n-half Clue   4. 射线   beam   builder   helmet, hard hat   mason, bricklayer   Half-n-half Clue   5. 滑轮   scaffolding   stone   blueprints   pulley   Half-n-half Clue   6. 椽木   board, plank   rafter   wheelbarrow   cement   Half-n-half Clue   7. 建造者   stone   ladder   builder   board, plank   Half-n-half Clue