And bullying is never OK.
When design conditions dictate a specific hydrodynamic loading together with a very susceptible cavitation environment, typified by a low cavitation number, there comes a point when even the super-cavitating propeller will not perform satisfactorily: for example, if the propeller tip immersion becomes so small that the propeller tends to draw air from the surface, termed ventilation, along some convenient path such as along the hull surface or down a shaft bracket.
Businesses with large corporate office spaces are not exempt from the impacts of lightning strikes.
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