Difficulties were encountered I implementing the system, but many well-known companies, like General Motors, Ford, NCR, and Dell Computer and many others have managed to cut down substantially on stock costs by using the system.
Ubunzima kuhlangabezanwe I yokuqalisa uhlelo, kodwa izinkampani eziningi abadumile, like General Motors, Ford, NCR, kwavuka Computer nabanye abaningi bakwazile bagawula kakhulu kwi isitokwe izindleko ngokusebenzisa uhlelo.