This is not a circuit diagram. The symbols used are an international standard which means a circuit diagram can be sent to any country in the world and be understood, regardless of the language ...

A hydraulic schematic diagram uses lines and symbols to provide a visual display of fluid paths within a hydraulic circuit. A hydraulic schematic also indicates the types and capabilities of ...

recently released ICS 19-2002, Industrial Controls and Systems: Diagrams, Device Designations, and Symbols. According to ... of information often used in industrial control and systems.