By Jon Miller | Post Date: March 8, 2009 9:53 AM | Comments: 0
From another angle a sign is visible about 15 feet away from our ambiguous visual control. It is on the other side of the path connecting the road to the walkway between factories. If you can read Portuguese, this adds some clarity but does not remove all ambiguity. In between these two signs, separated by some distance is what looks like a perfectly reasonable walking path, about 4 feet wide. This path is apparently used for forklifts, carts and material handling devices and not as a walking path for people. This is not immediately clear since by the time you are reading the sign, you may be well on the forklift path, or even walking from the road towards the factory walkway, seeing only the backs of these signs.
Words aren't necessary when unambiguous visual controls are used. For example, this one clearly says "no playing soccer".
Planning to drop a cushion and lounge for a while? Clearly prohibited.
And anyone planning a historic reenactment of a medieval battle would be disappointed by this sign.
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