Now open a medium-sized Internet cafes need about how much money?
You calculate your own chant, go to Taobao buy second-hand host and accessories can save a lot of money, keep to do documents
Look at what you are weak, plus the casing no problem
Can not, the voltage is high to a certain extent the electric field around the wire is very strong.
6 pipe refers to the diameter of the hole is 6 points, 4 points refers to the diameter of the circle is 4 points. 6 points in diameter than 4 points in diameter 2 points. So 6 points large, 4 points small. The size of the pipe is determined by the line distribution and the wire size.