Final answer:
Unofficial notices should be posted in Designated areas to ensure visibility without obstructing access to critical safety equipment such as fire extinguishers and eyewash stations.
Step-by-step explanation:
In the context of workplace communications and safety notices, it's important to designate areas for official and unofficial notices. The correct answer to the question - Unofficial Notices shall be posted in _______. - is C. Designated areas. This is because workplaces, such as fire stations or laboratories, typically have specified locations for posting various types of notices to ensure that they are seen by the appropriate personnel and do not interfere with safety equipment or other critical operations.
Knowing the location of safety equipment, like the fire extinguisher and the eyewash station, in any workplace, especially in hazardous environments like laboratories, is crucial for maintaining a safe and well-informed workspace. These items should have clear, unobstructed access and be marked with visible signs. Meanwhile, unofficial notices should not clutter these vital safety areas and should instead be posted in places intended for general information and announcements.