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://farathesis.farafile.ir/file/44084/نقشه-های-فاز-2-معماری-و-سازه-ای-ساختمان-4-طبقه-بتنی