[{"text_idx": "#000004", "text": "Construction of the first gas pipeline system was started during the 1960s, at the height of the Cold War, and for all those years, from the 1960s until this day"}, {"text_idx": "#000007", "text": "What do concrete services include?"}, {"text_idx": "#000011", "text": "Installation and Maintenance of Concrete Driveways"}]