1. concrete   du lun [che;ju]   ju [ti;ti]   han tie   hua lun   Hint Half-n-half Clue   2. crane   zhuan   shui ping   tui tu ji   qi [chong;zhong] ji   Half-n-half Clue   3. board, plank   tu zhi   ban ，ban tiao   shui ping   chuan mu   Half-n-half Clue   4. brick   shui [ni;ni]   han tie   cuo shi ci dai   zhuan   Half-n-half Clue   5. wheelbarrow   du lun [che;ju]   tu zhi   shui [ni;ni]   ju [ti;ti]   Half-n-half Clue   6. scaffolding   jian chu ，[gao;hao] ，[gao;hao]   [jia;jiao;jue] shou jia   tu zhi   chuan mu   Half-n-half Clue   7. beam   she xian   kui jia ，an quan mao   zhuan   du lun [che;ju]   Half-n-half Clue