1. piedra   stone   crane   helmet, hard hat   brick   Hint Half-n-half Clue   2. pico   blueprints   pickax, pickaxe, pick axe   concrete   bulldozer   Half-n-half Clue   3. cemento   ladder   crane   cement   board, plank   Half-n-half Clue   4. hormigón   bulldozer   builder   measure tape   concrete   Half-n-half Clue   5. travesaño, viga   helmet, hard hat   beam   pulley   scaffolding   Half-n-half Clue   6. nivel   crane   level   stone   cement   Half-n-half Clue   7. cinta métrico   measure tape   ladder   rafter   wheelbarrow   Half-n-half Clue