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://emohtava.farafile.ir/file/20598/مقاله-ترجمه-شده-کاربرد-انرژی-خورشیدی-در-ساختمان-های-سبز