M1: Air-Conditioner Servicing & Installation, As - Split AC, Window AC, Duet AC, HVAC, VRV etc.
M2: Annexure I(List of Trade Tools & Equipment), Air Movement, and Air Purity.
M3: Refrigerator Servicing & Gas Charging, Basic Electrical Wiring, Cooler, Washing Machine etc.
M4: Power, Resistance, Voltage, Current, Varieties of Electric Circuits, and Clamp Meter Usage
M5: Clean the parts and assemble, Braze the major mechanical components. etc.