Specialized category for safety guard fences and protective barriers installed around industrial robots and automation equipment. Handles fixed and movable guard fences, safety door-equipped fences, and protective systems interlocked with photoelectric safety devices to prevent worker entry into hazardous areas of robot cells, automated assembly lines, and conveyor systems. Product range includes aluminum frame and steel panels, posts, connecting hardware, access doors with safety switches, and transparent polycarbonate window panels, all compliant with occupational safety and health laws and machine safety standards (ISO13849). Distinguished from personal protective equipment and warning devices, this specialized protective equipment focuses on safety assurance through physical isolation at the facility level.