Introduction — a small scene, a big question I once sat on a crate in a noisy plant and watched a lid click on a pack like it was a tiny hat snapping into place (the worker laughed, I smiled). In that bright, busy room, the lid applicator machine hummed along, placing lids on wet wipe packs with steady rhythm. Many production lines today handle hundreds to thousands of packs every hour, and I remember thinking: how do they keep that tiny dance so steady? Data shows uptime matters — even small stops cost real money — so why do good lids sometimes miss their mark? I’ll tell you what…