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.
『耐震補強:旧耐震と新耐震だけじゃない耐震基準』 2000年の建築基準法法改正についてお話しします。 http://hiroshi39jp.php.xdomain.jp/?p=613811