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.
What's interesting is that babies first learn to recognize a face by the outer features, such as your hair, chin, or head shape; as they get older, they learn to look for inner features, such as eyes, nose, and mouth. So make funny expressions, raise your eyebrows, open your mouth wide, and see how your baby responds.