An hour saved at the non-bottleneck is a mirage.

I say an hour lost at a bottleneck is an hour out of the entire system. I say an hour saved at a non-bottleneck is worthless. Bottlenecks govern both throughput and inventory.

An hour saved at the non-bottleneck is a mirage.

Cost Accounting is enemy number one of productivity.

If we reduce batch sizes by half, we also reduce by half the time it will take to process a batch. That means we reduce queue and wait by half as well. Reduce those by half, and we reduce by about half the total time parts spend in the plant. Reduce the time parts spend in the plant and our total lead time condenses. And with faster turn-around on orders, customers get their orders faster.

An expert is not someone who gives you the answer, it is someone who asks you the right question.

Never let something important become urgent