Question

proper ventilation is required when welding, so that you dont
overheat
cause an area to smell like smoke
burn yourself
breathe in dangerous fumes
14 of 25

Explanation:

Welding can produce dangerous fumes. Proper ventilation is mainly to prevent inhaling these harmful substances. Overheating, smelling like smoke, and burning are not the main reasons related to ventilation in this context.

Answer:

Breathe in dangerous fumes