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...
Underwater welders work with a variety of equipment types and procedures. Some underwater divers assist the project manager in project planning. The welder must have good communication skills and interpersonal skills to work well with the rest of the team.