A light bulb would meet this description.
RED
RED
Radiological Exposure Devices (REDs)
RED
what describes the standard hazard marking for biological hazards
RED
RED
RED
RED
RED
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)
Radiological Exposure Devices (REDs)