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.
They go from a small amount of melanin, which you'll remember causes eyes to be blue, to a larger amount which means they'll be a different color. Usually this happens around six months, but eyes can change color up to about three years old. And the reason this only happens for Caucasian babies is because they tend to be born with less pigment than other ethnicities.