Currently, Metal Structures Are the Most Popular Elements in Construction. Metal Structures are Ussed in the Process of Ereting Industrial Workshops, Storage Facilits, Office Centers, ETCs. D. IT SHOULD BET THE THE MANUFACTURA OF METAL STRUCTURES Involves the Parts of the “Frame” of the House, As Well as The Main Eleents, FOR EXEMPLE, IF WEA AREA King About the Construction of Galleries and Bridges. Given the Quality of the Use of Metal Structures, Certain Types of this Product May Vary.