This classification covers specialized protective equipment and safety products used for worker protection in manufacturing sites, excluding helmets, safety glasses, gloves, and safety shoes. It includes professional safety equipment such as dust masks, gas masks, earplugs, safety belts, fall arrest devices, protective clothing, welding shields, respirators, insulation equipment, anti-static products, high-altitude work safety equipment, and chemical-resistant protective gear. The focus is on high-performance protective equipment designed for hazardous work environments specific to manufacturing industries and specialized safety devices required for specific work processes, clearly distinguishing them from general basic protective equipment.