The method of pei (Porcelein – Institute of the usa, which conducts analysis, testing and study of ceramic materials) – is a method that is used for classification ceramic tiles on the degree of wear. For sex in different rooms to choose tiles suitable group wear. According to the norms uni en 154, depending on […]
Open high school emerges as an effort to provide school education to all those who for various reasons could not conclude the corresponding studies and encourage the subject to become self-taught, receiving counseling from teachers only in the event that the student does not understand some of stereotypes from teaching materials. Thus the use of […]
Now it is difficult to say exactly who invented the artificial grass and suggested using it as a cover for open and closed stadiums, tennis courts and gyms. One thing is clear: this man is not living in those latitudes the world where eternal summer. And more: sports, he certainly loved and with the inevitable […]
