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://emohtava.farafile.ir/file/8448/گزارش-کارآموزی-صنایع-طراحی-و-بهبود-سیستم-کنترل-کیفیت