LearningCausesv1

A second measurement reduces cutting errors

Independent checking catches reading and marking mistakes before an irreversible step.

Output

A cut more likely to match the required dimension

Input

A board marked for a single final cut

Input

A board marked for a single final cut

A cut more likely to match the required dimension

Relationship

Measure the intended dimension again from the same reference edge and compare it with the mark before cutting.

www.nist.gov: A second measurement reduces cutting errorswww.nist.govUS-PUBLIC-DOMAIN