What is the function of a fire extinguisher on a construction site?

The function of a fire extinguisher on a construction site is to control or extinguish small fires before they escalate into larger, more destructive blazes. Fire extinguishers are essential safety tools that can help mitigate the immediate threat of fire, providing workers with a means to address emergencies quickly and effectively, thereby minimizing potential damage and injury.

By having fire extinguishers readily available and understanding their proper use, construction site personnel can act promptly should a fire occur, which is critical in maintaining overall safety on the site. This function is pertinent in environments where flammable materials and equipment are present, making the risk of fire a significant concern.

In contrast, the other choices do not reflect the actual purpose of a fire extinguisher. Generating smoke for drills, marking emergency exits, and providing warmth do not align with the primary role of a fire extinguisher in fire prevention and safety management.