The information attached includes a summary of the results of the study comparing costs per square foot for. each wall system in each region, a description of each wall system and graphic details of each wall system. For consistent comparison, each wall quoted as 10' x 10', with no openings.
Quick Answer. A person whose fingernails have been lifted off the nail bed could be suffering from a condition called onycholysis, which is caused by overzealous manicure, repetitive trauma and prolonged use of water. The condition usually occurs slowly and does not cause any pain. Keep Learning.
Occasionally, fungal infections of the nail will cause similar lines, although typically there is also more generalized deformity or thickening of the nail as well. Another possibility would be a foreign body under the fingernail, which can look like a black line. Common types of foreign bodies that can do this include wood splinters or pencil leads. Finally, rarely, bleeding can show up under the nails as small dark lines called splinter hemorrhages.