warning low temperature, freezing conditions. worker with a cold jacket to enter a cooling tunnel. prevention of work accidents.

low temperature jacket thermal refrigerator refrigeration cold room freezing extreme iso 7010 w010 pictogram warning yellow pictograph danger safety first failed sign signaling caution alert helmet coverall labor day ppe injury risk occupational prevention occupation protection professional industrial handyman industry security accident engineer equipment glove health illustration job vector work worker conditions enter cooling tunnel accidents conditions tunnel accidents first