桅栓：方木条，用来支撑中桅。
以一种简单的方式将方木条组成一种类似货架系统。
By means of simplicity square timbers were piled up to create a kind of "shelf-system".
两种交织的不同尺寸的方木条创造了两种不同的分层，同时提供了信息和功能的载体。
Two interlocking dimensions of square wood created two different layers that are simultaneously carrier of information and carrier of functions.
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