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/33321/پاورپوینت-سوخت-های-خورشیدی-و-مقایسه-آن-با-سوخت-های-فسیلی