... waterproofing work, etc. Product Description*requrie in flammable gas:propane or natural gas*the whole body is forged by high quality ... heating (core),room leak repair(melting asphalt),wood boat repair(drying),meat processing(dehairing),communication cable and pipe repair,ornment processing,graphite surface polishing ... up to 15,000pcs/month*with pleasure to make changes or OEM for ur local market