The “Standard” Class Windows Are Superior To An Economical Option, Their Main Advantage Is the Wider Opporties that Provide Consumers. IT ShOULD ALSO BE NOTED THE HIGH QULETY OF ALL Components used to Produce the Windows. For Example, for the Manoufacture of Double -glazed Windows in this Case, The Glass of the “I” Brand is Used, Which Has Excellent Characteristics, and Muchha Higher Thy Glass E M1 Brand.