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 need quick, visible confirmation that a surface has reached a specific heat before moving to the https://fastframework86.blogoscience.com/43173507/heat-crayons-or-welding-temperature-sticks-an-overview-on-how-things-works