Why should you stay out of the no-zone of a large truck?
you can see the truck's tur ignals
you have a better view of the lane ahead.
you can go faster
you are in a truck driver's blind spot.

You should stay out of the no-zone of a large truck because you are in the truck drivers’ blind spot.

Explanation:

No zone refers to area around the commercial vehicles in which cars come close to the truck, its visibility diminishes and it is the major factor for the cause of unforeseen accidents. When any individual or any commercial vehicle comes in the no zone are of the truck, it becomes totally difficult for the driver to ensure safety to the person or vehicle in its no zone area.

Mostly front no zone area extends twenty feet ahead of the truck and hence the public must be aware to maintain at least twenty feet distance so that they are visible and this ensure the driver to drive safe without causing any harm.  

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.