Typically, costs for installing a concrete access ramp fall between $1432 and $2377 and will vary with the size and features of construction as well as with your choice of finishes and landscaping elements.
Causes of Fingernail Ridges, Pitting and Curved Nails. 1  Longitudinal ridges (running from the cuticle to the free edge of the nail) may be due to aging and not a sign of any disease.  Nail beading, where the nail loses its smooth curvature, is also a normal part of aging.
1. You're low on iron Concave or depressed nails (like the inside of a spoon) can be caused by low iron levels, or anemia. Iron helps form hemoglobin, a molecule that shuttles red blood cells loaded with fresh oxygen to your nail matrix, explains Ella Toombs, MD, a board-certified dermatologist based in Washington, DC.