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://sciences.farafile.ir/file/38898/نقشه-خوانی-برق-صنعتی-و-تابلو-برق-به-زبان-ساده-pdf