NASA NTRS ยท 19850000119
Cutthrough Warning Circuit
Abstract
Damage to underlying layer averted. Contact of cutter blade with metal shim completes circuit that warns cutting-tool operator to stop. Tool thus prevented from cutting into structural wall.
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Mckown, R.. 1985-06-01. Cutthrough Warning Circuit. https://ntrs.nasa.gov/citations/19850000119
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