The triggering of material movement to a work center only when that work center is ready to begin the next job. In effect, it eliminates the queue from in from of a work center, but it can cause a queue at the end of a previous work center.

Inventory Counting 101: Your Simple Guide to Better Stock Management
Running an ecommerce business? Then you know inventory is everything. But here’s the question: do you actually know how much inventory you have right now? Many business owners think as long as they have enough products to sell, the exact count doesn’t matter. That’s a costly mistake. Accurate inventory counts