If that did not work, try exiting the Roku app, turning your phone's (or tablet's) Wi-Fi off and on and re-entering the app. Next, confirm your Roku device is on the same network as your phone: 1  On your phone, open Settings and check your network's IP address.2  Go to Settings Wi-Fi Your network name and write down the number next to IP Address..f that did not work, try exiting the Roku app, turning your phone's (or tablet's) Wi-Fi off and on and re-entering the app. Next, confirm your Roku device is on the same network as your phone: 1  On your phone, open Settings and check your network's IP address.
Sifto Salt Mine in Goderich, Ontario, which, at 1.5 miles (2.4 km) wide and 2 miles (3.2 km) long, is one of the largest salt mines in the world extending 7 km 2 (2.7 sq mi) . England. The  -wich towns  of Cheshire and Worcestershire.
The 10 biggest silver mines in the world. Mexico, the world's biggest silver producing country, and Poland host three each of the world's 10 biggest silver mines. Bolivia, Turkey, Peru and Australia host the remaining four. Mining-technology.com profiles the 10 biggest silver mines in the world, based on contained silver reserves.