Industrial Temperature Indicators: Heat Sticks, Thermochalk, Thermo Labels & Markers for Fabrication, Inspection & Process Control {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... https://apexsystem220.slypage.com/37409441/the-truth-behind-the-metal-surface-temperature-measuring-chalks-or-crayons-or-sticks-in-news