(vi) The others There are an unexpectedly small number of the shapes which are not random and have some geometrical structure, except those which I have previously mentioned. Surprisingly, extremely few have the shape described by this system - i.e., are good examples. · In Figure 175, the S-shaped structure is made from the A1+A2 arrow-shapes. Figure 176 was aimed at shaping a big arrow, which is the motif of
the section. It is regrettable that the acute angles were not accurately
expressed. The way of using the units here demands further consideration.
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