PMM 110 · Precision MeasurementSession 3 · Hour 1 · The micrometerInstructor cue 라쳇은 친절이다.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1The micrometerHour 2Follow The micrometerHour 3Your turn · The micrometerHour 4Check The micrometerThis browser cannot play the film.CheckThe ratchet is a kindness. Week 3: name, order, result. Then The ratchet is a kindness.