Answer:
There are no options listed, but a can cite a few reasons why companies use graphic signs:
- statistically, the number of work related injuries decrease as the level of safety signage increases.
- visual signs are extremely effective ways of communicating, and when it comes to dangerous activities, their effectiveness increases.
- people tend to pay more attention to graphic signs than to written signs, that is the same reason why signs and logos are placed outside a company in order to identify it.
- graphic signs are very easy to recognize and associate.
- graphic signs do not need further or complex explanations, i.e. a picture is worth more than 1,000 words.
- and a long list of etc.