SR EN 60079 is a series of standards for the use of equipment in explosive atmosphere that covers a wide range of considerations for them. as well as the definition of various classifications of hazardous areas. An important section of the series specifically covers the repair. overhaul and modification of equipment. https://www.jmannino.com/super-value-NFL-Atlanta-Falcons-Team-Jersey-PS5-Digital-Edition-Bundle-Skin-p121054-great-pick/