Smart PPE devices are being developed and used in various industries and sectors, depending on their specific needs and challenges. For example, in construction, smart helmets can provide augmented reality, video recording, and communication features to enhance safety and efficiency. Smart vests can monitor workers' vital signs, location, and environmental conditions to prevent accidents and injuries. In healthcare, smart masks can protect workers from infectious diseases while also measuring temperature, oxygen saturation, and heart rate to detect symptoms of illness. Smart gloves can prevent cross-contamination while also providing haptic feedback and gesture recognition to facilitate tasks and procedures. In manufacturing, smart glasses can provide hands-free access to information, instructions, and quality control features to improve productivity and accuracy. Smart gloves can protect workers from hazards while also enabling them to control machines and equipment with gestures and voice commands. In transportation, smart shoes can protect workers from foot injuries while also providing navigation, speed, and distance features to improve mobility and efficiency. Smart earplugs can protect workers from noise while also providing communication, entertainment, and translation features to improve comfort and satisfaction.