Session 2 · Hour 1 · A thermometer is a witness

1. Hour 1A thermometer is a witness
2. Hour 2Same place. Same time
3. Hour 3The plate walks while you weld
4. Hour 4A number without a time is a rumor

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A thermometer is a witness.

CheckFind the WPS heat line. Check the meter. Mark the point. Measure. Apply the paper's heat. Measure again. Write both. Compare. Once is a rumor. Twice is a record. Mid-pass heat is still the job.