Temperature Indicators: Sticks, Crayons, Strips & Markers for Welding, QA & Operations {Precision temperature control distinguishes repeatable, spec-compliant work from guesswork. In fabrication shops, foundries, refineries, power plants and paint lines, teams need quick, visible confirmation that a surface has reached a specific heat before moving to the next step. https://trailblazingfabric541.blogprodesign.com/57980093/everything-about-temp-crayons-or-thermochalk-that-gets-your-awareness