The steel material only accounts for about one-third of the total framing cost. Two-thirds of the cost goes into fabrication, erection, and other labor costs. Like archeng59, I often add steel tonnage in order to have a more repetetive building that cuts down the labor costs.
1 A change in skin color is due to an underdeveloped circulatory system. 2  Babies often exhibit mottling of the skin due to their immature circulatory system. 3  The nerve supply to the fine blood vessels on the upper skin layer is still immature.
Sometimes color changes in the mouth are a sign of a bodywide disease: 1  Anemia may cause the lining of the mouth to be pale instead of the normal healthy reddish pink. 2  Measles, a viral disease, can cause spots to form inside the cheeks. 3  Addison disease and cancer (such as malignant melanoma) can cause dark color changes.