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Any triangle or quadrilateral (even non-convex) can be used like a prototile to type a monohedral tessellation, normally in more than one way. Copies of an arbitrary quadrilateral can form a tessellation with translational symmetry and a couple of-fold rotational symmetry with centres within the midpoints of all sides. For an asymmetric quadrilater

e. a prong with a male arrow head suits right into a hollowed out shaft and vice versa. This is owing into a prohibition with a feminine shaft, from its susceptibility as a receptacle for impurity, for use as s'chach[3]An example of a connector where the contacts on their own are hermaphroditic is the ELCO Varicon, whereby the contacts are bifurcat