What is a limitation of vapour protective clothing?

The correct answer highlights a significant limitation of vapor protective clothing: it significantly impairs mobility. This is important to understand, as mobility is crucial for first responders in hazardous situations. The bulkiness and design of vapor protective suits can restrict movement, making tasks such as climbing, bending, or quickly maneuvering more difficult. This impairment can affect the speed and efficiency with which personnel can respond to emergencies, increasing the potential for accidents or injuries.

The other options do not accurately describe the limitations of vapor protective clothing in the context of mobility and operational effectiveness. For instance, while signals are more challenging to convey in bulky suits, the reliance on hand signals is not an inherent limitation of the suits themselves. Concerning the release of body heat, while protective suits can cause overheating, they are usually designed with some ventilation to manage heat to a certain extent. Lastly, the need for support personnel is more about operational safety protocols than a limitation of the suits. Understanding the challenges posed by vapor protective clothing is essential for ensuring effective response and safety procedures during hazardous material incidents.