These towers, or "blades," pinwheel about a triangular central shaft that holds elevators and mechanical equipment.

这些塔，或称“叶片”，围绕着一个三角形中心轴旋转，中心轴承载着电梯和机械设备。

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The central shaft has integral taper for maximum rigidity.

中心轴拥有一个完整的锥拔，以达到最大的硬度。

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These use a central shaft with sliding vanes inside a housing of decreasing radius.

这些使用一根中心的轴由于在一个减少半径的住房里面滑动风向标。

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Disruptions and revolutions are quick and often violent, but I wonder if structurally what happens in these situations is the spontaneous replacement of an old central structure (the shaft) with a new exoskeleton (the housing of the engine itself) that can contain an energetic process of a higher order than the old structure could metabolize.

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People such as musician Isaac Hayes, best known for recording the theme to the 1970s movie Shaft or, for the younger set, for portraying Chef on Comedy Central's South Park.

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