1. crane   [ni;ni] gong ，[wa;wa] gong   qi [chong;zhong] ji   zhuan   [dan;shi] tou   Hint Half-n-half Clue   2. ladder   she xian   cuo shi ci dai   [ni;ni] gong ，[wa;wa] gong   ti zi   Half-n-half Clue   3. board, plank   [ni;ni] gong ，[wa;wa] gong   ban ，ban tiao   jian zao zhe   she xian   Half-n-half Clue   4. pulley   chuan mu   [jia;jiao;jue] shou jia   hua lun   jian chu ，[gao;hao] ，[gao;hao]   Half-n-half Clue   5. beam   cuo shi ci dai   [dan;shi] tou   chuan mu   she xian   Half-n-half Clue   6. helmet, hard hat   kui jia ，an quan mao   shui [ni;ni]   zhuan   shui ping   Half-n-half Clue   7. level   [ni;ni] gong ，[wa;wa] gong   shui ping   du lun [che;ju]   [jia;jiao;jue] shou jia   Half-n-half Clue