Combined windows: what is it, what is used for

The term «combined» speaks for itself. This means that in the production of windows, more than one material is taken for work, but, as a rule, several. Combinations of different materials are used in order to hide or reduce the shortcomings of the other through the advantages of one. Such windows have much better technical characteristics and, although they cost more than ordinary windows, the price justifies itself in operation. Cement tanks for LADA are very in demand on the market now, many buy them.