In understanding what our customer’s value, it may be helpful to see value through the lens of what gets in the way of efficiency and performance. Lean gives us a common language to describe these sorts of nonvalue added, unnecessary activities – waste, in other words.
You can easily remember the seven traditional types of waste using the acronym TIM WOOD. Let’s look at each of these one by one.
T stands for Transportation, the unnecessary movement of information or materials during a process. Examples of transportation waste include: moving paperwork through approval processes, excessive email, multiple data handoffs, emailing attachments recipients don’t need, and unnecessary movement of equipment.
I is for Inventory, or any supply in excess of customer requirements necessary to make or deliver our products or services. Examples: overstocked office supplies, a document your customer didn’t ask for, anything that is batched.