Due to atomisation a fine cloud or mist of paint is released into the air. It is vital that due consideration is directed to personal safety, protective clothing, etc.
Good ventilation, using a fan or extraction system
Dust free work area (workshop, or garage)
Naturally, a serious hobbyist would have enough protection with the use of a standard facemask in a well-ventilated area. Poorly ventilated areas such as basements or workshops would require one of the fan systems.