process map, what do you choose to use ... connecting more boxes to account for variables. Typically, a flow chart works from the top, working its way down, but this is not necessarily required.

Further, while process flow diagrams (PFDs) are well understood by that name, piping and instrument diagrams (P&IDs) may exist under various other names or variations, such as mechanical flow diagrams ...

Introduction to the engineering design process with an emphasis on graphics and documentation ... solution thermodynamics, and phase diagram. Fundamentals and application of instrumental analysis in ...