CN WG 0.2 Intelligent ManufacturingCN WG 1.1 Project Planning and ConstructionCN WG 1.10 DCS-EngineeringCN WG 3.14 Low Voltage TechnologyCN WG 4.1 MaintenanceCN WG 4.5 Plant SafetyCN WG 4.7 Explosion ProtectionCN WG 4.17 Energy Efficiency