sop flow chart graphics and arrows indicate what

SOP (Standard Operation Procedure), also known as standard operating instructions, there is another name WI (Work Instruction), work instructions.

SOP is in the form of a document describing the operator in the production process of operation steps and the operation of the process of precautions, parameter settings, etc., with the progress of society, many companies are imported into the electronic work instructions.

Arrow symbol. Used to indicate the progress of steps in a sequence. Arrows indicate the direction of flow of a process.