I am a Technician, A Bengali 1 Air Conditioning. Installation, Freon Charging, Filter Cleaning, Maintenance of AC Malfunction (Split/ Window) 2 Electricity Network Extension, Lighting And Distribution Board Installation, Maintenance and Repair Of Electrical System. 3 Plumbing Establishment And Finishing of Water Network. Leak Treatment, And Installation Of Pump's And Sanitary Ware. Riyadh Rabi