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://mohitezist.farafile.ir/file/23200/پاورپوینت-اثرات-آلودگی-هوا-بر-روی-گیاهان-و-انسان-ها