Too many points of suspension or temporary storage at the plant will also cause problems. Obvious problems that will occur will lead to waste time, especially for work loading and unloading of materials from the conveyance or removal of the means of conveyance. Activities will be spent loading and unloading articles operator. It also will cause a lot of waste time. This possibility will always occur repeatedly in the event queue before being processed articles. In standard conditions should be placed near the production machines, but because of the place is full then placed around the place occupied by the material should not have to wait for production.