You may have a mouth ulcer if you have: 1  A painful sore or sores inside your mouth, on the tongue, soft palate (the back portion of the roof of your mouth), or inside your cheeks. 2  Sores in your mouth that are round, white, or grey in colour, with a red edge or border.
Perpetually moving minecart track. Works underwater and above. Upvote this! http://redd.it/m9zrx. If you are using this for survival, make sure you have air bubbles along the way (such as signs) so you can breath. Song: Rainy Day in Paris: http://www.newgrounds.com/audio/liste...
Question: How deep can you really take the GoPro camera underwater (the box says 60m)? The way this works, is that any piece of equipment is 'rated' to a particular pressure. In the case of the GoPro Hero 3 underwater case, it will be rated to 7 atmospheres, which works out to 60 metres in freshwater and around 58 metres in salt water.