1. kui jia ，an quan mao   blueprints   helmet, hard hat   shovel   cement   Hint Half-n-half Clue   2. hua lun   wheelbarrow   helmet, hard hat   pulley   shovel   Half-n-half Clue   3. zhuan   ladder   brick   board, plank   pickax, pickaxe, pick axe   Half-n-half Clue   4. [ni;ni] gong ，[wa;wa] gong   level   helmet, hard hat   pulley   mason, bricklayer   Half-n-half Clue   5. jian zao zhe   builder   shovel   bulldozer   measure tape   Half-n-half Clue   6. tui tu ji   bulldozer   stone   helmet, hard hat   soldering iron   Half-n-half Clue   7. han tie   concrete   stone   soldering iron   level   Half-n-half Clue