1. stone   ban ，ban tiao   du lun [che;ju]   shui [ni;ni]   [dan;shi] tou   Hint Half-n-half Clue   2. cement   qi [chong;zhong] ji   [jia;jiao;jue] shou jia   tie qiao   shui [ni;ni]   Half-n-half Clue   3. wheelbarrow   han tie   du lun [che;ju]   qi [chong;zhong] ji   cuo shi ci dai   Half-n-half Clue   4. blueprints   du lun [che;ju]   chuan mu   [ni;ni] gong ，[wa;wa] gong   tu zhi   Half-n-half Clue   5. helmet, hard hat   kui jia ，an quan mao   qi [chong;zhong] ji   tu zhi   [ni;ni] gong ，[wa;wa] gong   Half-n-half Clue   6. measure tape   cuo shi ci dai   kui jia ，an quan mao   tu zhi   [ni;ni] gong ，[wa;wa] gong   Half-n-half Clue   7. ladder   ti zi   zhuan   cuo shi ci dai   ban ，ban tiao   Half-n-half Clue