Objective: Continuous Material Flow through the facility, avoiding the cost of waiting time and demurrages that happen when the flow stops.
On the other hand, the material waiting to flow through the facility not always represents a cost to avoid. As stock sometimes provides safety to protect production, improving customer service, allowing more economic batches, etc.
It’s necessary then to consider space for the required stock at the facility when designing the layout.
Resting time to cool down or heating up…