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://lono.farafile.ir/file/46312/طرح-درس-و-روش-تدریس-علوم-سوم-درس13-هر-کدام-جای-خود(2)