Temperature Indicators: Sticks, Crayons, Strips & Markers for Welding, QA & Process Control {Precision temperature control distinguishes repeatable, spec-compliant work from trial and error. Across shops, foundries, refineries, power stations, and paint lines, teams rely on quick, visible confirmation that a surface has reached a specific heat before advancing to https://smartobserver43.isblog.net/the-truth-behind-the-metal-surface-temperature-measuring-chalks-or-crayons-or-sticks-in-news-53880642