Flow process chart
The flow process chart is a graphical and symbolic representation of the activities performed on the work piece during the operation in industrial engineering. == History == The first structured method for documenting process flow, e.g., in flow shop scheduling, the flow process chart, was introduced by Frank and Lillian Gilbreth to members of ASME in 1921 as the presentation "Process Charts, First Steps in Finding the One Best Way to Do Work".