How do we define a semi-conductor? It's generally produced of materials with an appointed resistance (it is among the resistance of a conductor and a non-conductor). The electrical resistance of semi-conductors also is affected by changes in temperature or used admixtures.

The word “dashes” refers to the other components mixed to the material. The finished combination [...]

There are a lot of businessmen nowadays who don't realize how to resolve the basic problem of their life