Many many things about steel building
Due to the size of the structure it is first manufactured in parts in the factory and later transported to the place where it is required to be put together. Some manufacturers also provide a guide to the assembly of them and they can be easily put to one piece without assistance of skilled labor in this regard. However, while taking orders the manufacturer may allow some alteration to suit the likes and needs of the procurer. Quonset huts these days are available with options to customize them with the carving out of windows, doors and partitions. In the recession and the sluggish environment people always look for new measures to cost cutting.