لینک پرداخت و دانلود در "پایین مطلب"
فرمت فایل: word (قابل ویرایش و آماده پرینت)
تعداد صفحات:5
Houses have been built with wood for hundreds of years. Old growth trees make a good building material.
However, a dwindling supply of old growth trees and environmental concerns have caused the price of wood to soar while quality has plummeted. Today, it is clear that there is a need for a new building material .
Steel has come to the forefront as the best solution and the combination of Red Iron for structural strength and galvanized light gage for the non-structural framing is the best of the different steel framing systems available today.
For generations, we have relied on the strength and durability of steel in commercial buildings, hospitals, and in our children's schools. Now you can get the superior quality and safety of steel in your home at a price you can afford.
Sure, there\'s a difference