1. saldatore   soldering iron   crane   pickax, pickaxe, pick axe   beam   Hint Half-n-half Clue   2. impalcatura   board, plank   builder   scaffolding   pickax, pickaxe, pick axe   Half-n-half Clue   3. mattone   stone   scaffolding   brick   builder   Half-n-half Clue   4. trave   soldering iron   crane   builder   beam   Half-n-half Clue   5. calcestruzzo   board, plank   concrete   level   shovel   Half-n-half Clue   6. sasso   concrete   bulldozer   blueprints   stone   Half-n-half Clue   7. muratore   measure tape   scaffolding   soldering iron   mason, bricklayer   Half-n-half Clue