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                        <p class="date">07/18/1995</p>
                        <p class="title">Seesaw</p>
                        <p class="desc">A see saw (also known as a teeter-totter or teeter board) is a long, narrow board pivoted in the middle so that, as one end goes up, the other goes down. Mechanically a seesaw is a lever and fulcrum. Seesaws also work as a simple example of a mechanical system with two equilibriu