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/23824/فصل-پنجم-و-ششم-جزوه-راهنمای-گام-به-گام-طراحی-سازه-های-بتن-آرمه-1