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://brilliantring65.educationalimpactblog.com/58217348/the-definitive-guide-to-heat-crayons-or-welding-temperature-sticks