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.
6. Are your nails spoon-shaped? Your nails get thin and dip down in the middle, sometimes with raised ridges. It can be a sign of heart disease, trauma, lupus, low thyroid, or a problem with iron -- either too little or too much.