Industrial Temperature Indicators: Heat Sticks, Thermochalk, Thermo Labels & Metal Markers for Fabrication, QA & Process Control {Precision temperature control separates 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 https://elitecompass64.bloguerosa.com/35704266/metal-surface-temperature-measuring-chalks-or-crayons-or-sticks-an-overview-on-how-things-works