In a restricted area, what additional precaution is recommended alongside a safe work permit for welding?

When working in a restricted area for welding, proper ventilation is crucial in addition to a safe work permit. Welding processes generate fumes, gases, and heat that can be hazardous to workers' health and safety. Adequate ventilation helps to dilute and disperse harmful emissions, thus minimizing exposure and reducing the risk of respiratory issues or other health problems related to inhalation of toxic substances.

While having a fire extinguisher is important for dealing with potential fires caused by welding sparks and hot metal, it does not directly address environmental conditions that could lead to health hazards from fumes. The buddy system is a safety practice that enhances overall situational awareness and quick response to emergencies, but its effectiveness can be limited if the working environment is not adequately ventilated. Protective barriers are useful for containing sparks and preventing fires from spreading, but again, they do not improve air quality or reduce the risk of inhalation of harmful substances.

Therefore, ensuring proper ventilation is a key precaution that enhances worker safety and health while performing welding tasks in restricted areas.