Steps back to look at the full picture after eight detailed episodes.How explosion protection works as a system: the fire triangle (fuel,oxygen, ignition source), the 13 recognized ignition sources in IEC60079-0, and the two-level approach of preventing flammableatmospheres (zone classification) and controlling ignition sources(equipment protection). Connects zones, protection methods, gasgroups, temperature classes, and EPL into a coherent framework. More info: https://exknowledge.com