<p>Outlining the different reasons for their design and keeping that in mind gives the key to their most effective use.</p> <p>To easily remember the difference between Pivotal and Lineal machines go back to their beginning.</p> <p>It is <em><strong>not</strong></em> about which is 'best', as particularly for CP it is important to use both types - provided the machines are appropriate for people who are not able-bodied.</p> <p><br></p>