1. concrete   konkuriito   heirana   nekoguruma   sekkei 、buruupurinto   Hint Half-n-half Clue   2. scaffolding   sekkou   heirana   ashiba   anzenbou、herumetto   Half-n-half Clue   3. builder   sunpoutori   taruki   kenchigyousha   renga   Half-n-half Clue   4. rafter   anzenbou、herumetto   ashiba   heirana   taruki   Half-n-half Clue   5. pickax, pickaxe, pick axe   burudouza   biimu   hashigo   tsuruhashi   Half-n-half Clue   6. board, plank   heirana   itariksu   sekkei 、buruupurinto   sunpoutori   Half-n-half Clue   7. beam   renga   sahberu   burudouza   biimu   Half-n-half Clue