Temperature Indicators: Sticks, Crayons, Strips & Markers for Welding, QA & Operations {Precision temperature control distinguishes consistent, code-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 target temperature before moving to the next step. https://magneticschema32.ja-blog.com/36869429/what-does-metal-surface-temperature-measuring-chalks-or-crayons-or-sticks-mean-how-it-will-be-helpful-to-you