A school project is located in a basin. Snow melts in the spring on the nearby mountains which replenishes the local water supply. The nearby highways are sometimes closed during the winter due to the winter storm. What is the top priority the project team should focus on? 57 58 Calculator 60 Use ground source heat pump 62 63 64 65 66 Install efficient plumbing fixtures Ergonomics design for classrooms and computer rooms Purchase all materials locally to minimize road transportation