| 摘要 |
<p>Equipment comprising a platform (10) having a downwardly projecting fin, the fin (11) or the platform (10) having means for deflecting the water laterally of the direction of travel through the water, such means being, in one example, a pair of wedge shaped components (12), (13) secured at opposite sides of the fin (11) to present respective angled external surfaces. </p> |
