Https://www.youtube.com/watch?v=L6F8t0et6R Some key things to note. During the batch process, tons of inventory build up. The envelopes by their nature don't stack very well when folded, showing some of the dangers of inventory (messy work place, bad 5S).
<span>Now, what if my sister realized she wrote the wrong name on the birthday invitation? It would be a bit of task sorting through the stack of half opened envelopes to find the right one. The rest would be falling all over the place.</span>
