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://filereson.farafile.ir/file/28054/پاور-پوینت-آموزشی-درس-یازدهم-علوم-تجربی-پایه-پنجم-ابتدایی