1. [dan;shi] tou   stone   level   measure tape   ladder   Hint Half-n-half Clue   2. hua lun   pulley   stone   builder   scaffolding   Half-n-half Clue   3. cuo shi ci dai   blueprints   measure tape   ladder   crane   Half-n-half Clue   4. jian chu ，[gao;hao] ，[gao;hao]   helmet, hard hat   wheelbarrow   bulldozer   pickax, pickaxe, pick axe   Half-n-half Clue   5. han tie   soldering iron   measure tape   board, plank   scaffolding   Half-n-half Clue   6. du lun [che;ju]   builder   cement   wheelbarrow   shovel   Half-n-half Clue   7. shui ping   stone   ladder   shovel   level   Half-n-half Clue