A to Z repairing and solution 

i am a trainer and i teach all about how to repair laptop mobile printer LED TV , how to assemble and how to increase RAM & Storage. all about basic to chip level repairing, & card level repairing with complete knowledge with backup support.  
i teach complete knowledge of Multimeter , current (AC & DC) components (Resister, Capacitor (solid Stat & SMD, Polarized & Non Polarized capacitor), Coil, MOSFET (N Chanel & P Chanel, Dual Chanel MOSFET , 3 pin MOSFET & 8 Pin MOSFET ) ,Diod (Semi Conductor Diode, Zener Diode, LED {light Emitting Diode }, Photo Diode  ), Transistor (NPN & PNP), Crystal (RTC & Oscillator) , Speaker, Mic, Vibrator, Battery etc.. 
I teach All About circuit diagram, Block Diagram ,schematic Diagram , All about IC And Identification of IC , Work of IC, Use of ic , Name of IC. 
All & All basically i am trying to provide technical knowledge to the mobile laptop LED TV printer repairing technicians,how to solve laptop desktop mobile printer problems with live practical.