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1-Always wear PPE
2- ensure proper earthing for each area of equipment you deal with
3- proper isolation of equipment before dealing with it
4- HazardousZone are as following :
1-1 Zone0 where very high safety is required because explosion circumstancces are very likely to happen for
Zone1 is thezone where high safety is required because explosive circumstances are likely to happen1-2
1-3 Zone2 where fair safety is needed because explosive conditions are very rarely likely to happen
5- gases areclassified inside groups starting from group2A to group2c the hazard of each group is increaing fromgroup2A ending up to reach it's highest hazard at group2c
dealing with un propably grounded area or high voltage area it is preferred to walk using jumps not steps and to use high voltage carpets
considerations