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.
Common causes of skin changes include: 1  Skin puckering or dimpling. 2  Skin puckering or dimpling can be caused by scarring from a previous operation or infection, but in the majority of cases, no specific reason can be found. 3  Most often it is not a sign of underlying cancer, but should be evaluated with exam and imaging.