Symbols linked together form a flow chart. Flow chart programming consists ... certain condition is met variables that store data for use in decision making ...

commonly used equipment symbols, and practitioner experience. Further, while process flow diagrams (PFDs) are well understood by that name, piping and instrument diagrams (P&IDs) may exist under ...

Energy can flow and the lamp lights up ... 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 ...