Firefighter trainers conducting workplace fire safety demonstration and workers extinguishing fire on the street at Saladaeng, Bangkok, Thailand

firefighter trainers conduct workplace fire safety safety demonstration workers extinguishing fire street saladaeng bangkok bkk thailand walkway people flaming hazard preparedness teamwork education spray practice dangerous gas danger extinguisher equipment protective training burn smoke flame safety equipment public hazard outside daytime environment urban asia city caution warning outdoor day real time handheld