graph LR
    A([AI])
    B1[personnel]
    B2[twin]
    B3[benefit]
    A--> B1 & B2 & B3
    B1-->C11[IT:IoT/IntellSys/DesignDevelop] & C12[AI:ML/DL/MathStatistic] & C13[domain:ProcessMaintain/EquipProduction/Knowledge]
    B2--> C21[static data:AI as model and simulation] & C22[dynamic data:command argument:effect on production and quality]
    B3--> C31[time saving] & C32[cost down]