Session 5 · Hour 1 · A number without a unit is a rumor

1. Hour 1A number without a unit is a rumor
2. Hour 2Wipe. Then close
3. Hour 3Go or no-go
4. Hour 4A spinning part is not a specimen

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A number without a unit is a rumor.

CheckWipe. Repeat. Record unit, place, and instrument. A spinning part is not a specimen. Hands off the chuck. A chip under the anvil is a lie. A drop is a dead micrometer.