Aasaasaha Toyota Production System, "Aabbaha maamulka wax soo saarka", Mr. Seiichi Tokinaga, arday Naiichi Ohno, ayaa si gaar ah loo shaqaaleysiiyay si ay u hirgeliyaan habka wax soo saarka TPS. Furo xilliga wax soo saarka caatada ah oo dhan hab wareegsan.