Some of the typical applications of hot air gun are as follows: 1. Shrink packing/wrapping. 2. Joining & sealing of cables/shrink fitting of tubing?s. 3. Paint & varnish stripping/removal 4. Fabrication/welding/repairs to plastic tanks. 5. Loosening of rusted nuts, bolts & fittings. 6. Industrial de-soldering of SMD IC's and PTH components. 7. Softening of wires in motors during repairs. 8. Drying of adhesives/filters/activating emulsions, etc. 9. Many other general-purpose applications where flameless heat is the requirement.