Electrical equipment in hazardous areas the participation of operations, maintenance, safety, electrical and instrumentation professionals, the use of process diagrams and material flows, MSDS and any pertinent documents, information and knowledge to determine the hazards and their extent and the countermeasures to be employed. Area classification documentations are reviewed and updated to reflect process changes. Soon after the introduction of electric power into coal mines, it was discovered that lethal explosions could be initiated by electrical equipment such as lighting, signals, or motors. The hazard of fire damp or methane accumulation in mines was well known by the time electricity was introduced, along with the
2016 Baghdad gas plant attack Iraqi army. Three of the facility's gas storages were set alight, before security forces were able to bring the situation under control. Firefighters managed to control and extinguish a fire, caused by the explosions, and technicians examined the damage. The power station provided, with the help of others, that had halted operations, 153 megawatts to the already overstretched national grid before the attack. Eight policemen were among the casualties of the attack. 2016 Baghdad gas plant attack On 15 May 2016, a team of ISIL bombers assaulted a natural-gas plant north of Baghdad, Iraq, killing at least 14 people, eight