| 摘要 |
<p>4/13 Fairlead and method of use A rotatable fairlead suitable for use in the deployment, control and recovery of anti-pollution booms, comprises two end pieces (1 and 2), two pins, or rollers, 3 and 4, mounted between the end pieces and spaced sufficiently apart that a partially inflated boom may pass between the pins, means for rotating the said end pieces and pins through at least 270.degree. and means for holding them at a given angle of rotation.</p> |
