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<p>(movement) and <a href="page.php?w=potential_energy">potential</a> (height and weight) energy are utilised.</p>

<p>The small clearance between the wheel and the masonry requires that a breastshot wheel has a good <a href="page.php?w=trash_rack">trash rack</a> ('screen' in British English) to prevent debris from jamming between the wheel and the apron and potentially causing serious damage.</p>

<p>Breastshot wheels are less efficient than overshot and backshot wheels but they can handle high flow rates and consequently high power. They are preferred</p><p>
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