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://keshavarzi.farafile.ir/file/49997/فایل-اکسل-محاسبه-طول-وصله-میلگرد-ستونهای-بتنی-با-رابطه-دقیق