-                           Transformers, Generators, and Electric panels; 

-                           Lighting system for Workshops and High Buildings (indoor and outdoor);

-                           Water Supply & Drainage System, Industrial and Domestic Sewage Disposal system;

-                           Air Conditioning and Ventilation systems;

-                           Fire alarm, Smoke alarm and Fire fighting system;

-                           Elevator system;

-                           Access control; Camera supervision system, TV system;

-                           LAN, WAN, telephone systems;

-                           Grounding system.