Johan Teknik is a channel that shares experience and knowledge about AC (air conditioner) and about basic electrical installation techniques. The experience that I will share with Johan Teknik's loyal viewers includes several problems about how to repair an AC that is not cold, how to disassemble an AC, How the AC system works, how to install electricity, the working system of a 2 door refrigerator and understanding the working system of a 1 door refrigerator.
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