Varicella (video game) despicable antagonists (just as variola is more virulent than varicella), thus making players willing to go along with his schemes. The international situation in the game is described in passing: Piedmont is part of a loose confederation of kingdoms that make up a Carolingian League and is engaged in a war against the Republic of Venice. It won four XYZZY Awards in 1999 including the XYZZY Award for Best Game, and was nominated for another four. The game was discussed academically by Nick Montfort and Stuart Moulthrop in their 2003 paper "Face It, Tiger, You Just Hit the Jackpot: Reading
Technical diving magazine was using the term "technical diving", as an analogy with the established term "technical (rock) climbing". In the US the Occupational Safety and Health Administration categorises diving which is not occupational as "recreational diving" for purposes of exemption from regulation. This is also the case in some other countries, including South Africa. There is some professional disagreement as to what exactly technical diving encompasses. Nitrox diving and rebreather diving were originally considered technical, but this is no longer universally the case as several certification agencies now offer Recreational Nitrox and recreational rebreather training and certification. Some training agencies classify