End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
http://porozhe.farafile.ir/file/10540/گزارش-کارآموزی-برق؛-ساختار-منبع-تغذیه-و-عیب-یابی-آن