'Use in factory automation' refers to a category of industrial automation brands and products designed to enhance manufacturing efficiency. Prominent brands in this sector include Siemens (Germany), Rockwell Automation (USA), and Mitsubishi Electric (Japan). These companies provide advanced solutions such as PLCs (Programmable Logic Controllers), HMIs (Human-Machine Interfaces), robotics, and sensor systems, catering to industries like automotive, electronics, and pharmaceuticals. Their products streamline production processes, improve precision, and reduce downtime, making them essential for modern smart factories.