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6.5.11 If the overall length of the A frame is to be more than 8 metres the frame
construction must be secured with another support rail as shown below.
6.5.12 WARNING: In areas with strong wind you must take into account the
possibility of wind resistance which may cause the whole frame and panel
construction to vibrate. In these cases t one more support triangles at the end of
each side of the A frame as shown. This will make the whole construction stronger.
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