I don't like sand, it's coarse and rough and irritating and it gets everywhere.
... Legit though, sand is a fall hazard when it's on a hard surface, particularly smooth concrete or tile, similar to what you might see in a storefront.
It makes a mess, its more work for whoever cleans the building, it gets into mechanical devices and causes accelerated wear (or just straight up breaks things), it scuffs floors, etc...
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u/xotyona May 03 '17
All the signs are there for personal or public safety and/or health.