[{"text_idx": "#000000", "text": "Best heat treatment of steel."}, {"text_idx": "#000002", "text": "Save energy today. Live green."}, {"text_idx": "#000003", "text": "Save energy today. Live green.\nBest heat treatment of steel."}, {"text_idx": "#000004", "text": "Marangoni di Rizzi S.r.l \u2013 da un secolo costruzioni meccaniche certificate"}]