Answer :
Final answer:
Diamond-shaped signs are warning signs found on roadways warning of potential or existing hazards. Unlike regulatory signs or directional signs, they mostly house symbolical indications of a potential hazard.
Explanation:
The student's question pertains to diamond-shaped signs used on roadways and certain areas. These are, in fact, Warning signs (option a). These signs function to alert drivers of potential or existing hazards along the route. For instance, a diamond-shaped sign with a symbol of a deer indicates an area where deer might cross the road, thereby posing a risk to moving vehicles.
In contrast to these are Regulatory signs such as speed limit signs, stop signs, and yield signs etc. These types of signs are not necessarily diamond-shaped; they can be rectangular or other shapes. Directional signs, on the other hand, offer information related to where different routes lead, and are generally rectangular with directional arrows or specific location names.
It's important to note that the use of diamond shapes is not limited to traffic warning signs. In fact, a 'hazard diamond' or 'fire diamond' is also used in laboratories and workplaces to summarize various dangers related to the handling of certain chemical substances. These diamond symbols, developed by the NFPA (National Fire Protection Agency), detail health, reactivity and flammability hazards, along with other risks.
Learn more about Warning Signs here:
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