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://magle.farafile.ir/file/25738/بسته-کامل-جزوه--فیلم-آموزشی-"-انتقال-گرما--قانون-گازهای-کامل"