Read the paired passages. Passage 1: A community organizer says a tool-lending library can reduce waste by letting neighbors borrow items they need only occasionally. Not every household needs to own a ladder, drill, or pressure washer. Passage 2: At the Maple Street lending library, the same pruning saw was borrowed by twelve households during spring cleanup. Several borrowers said they would otherwise have bought a saw for one weekend of work. What is the main function of Passage 2 in relation to Passage 1?