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://farafiles.ir/file/38047/پاورپوینت-فیزیک-دستگاه-قلب-و-عروق-(فیزیک-پزشکی-قلب)