THe viewsonic screen should be cleaned as needed,this time will vary on conditions.
The viewsonic tv monitor is 24" and comes in many other sizes if you are interested in purchasing you can go here and get all the information you need to fit the space you have. http://www.viewsonic.com/products/vt2430.htm
Once a week
simply with a toothbrush, and you don't need to clean it to often.
You need to clean the reservoir after each time you use it to keep it clean.
every day
You need to clean your house more often and thoroughly.
1 time a week to 1 time every 2 weeks
An output device that can take the display of a computer screen and project a large version of it onto a flat surface. Projectors are often used in meetings and presentations to help make sure everyone in the room can view the presentation. In the picture to the right, is a ViewSonic projector and an example of what a projector may look like. Projectors used with computers are small devices that are rarely much larger than a toaster and typically weigh a few pounds
For a pre drink before a game: I really could use a toddy before the game starts... For the cloth used to clean screens: Where is that toddy? I need to clean my MP3 player's screen!
its in the pilot lamp.. you need to slide the orifice out of there to clean or replace every so often
They usually do not need to be cleaned unless you are using a cylinder for nitrox.
you don't need to if you have another gerbil because they clean each other :)