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://iengineer.farafile.ir/file/44288/پاورپوینت-راه-اندازی-موتور-سه-فاز-به-صورت-ستاره-و-مثلث