There is a normal lordosis in the upper (cervical) spine and the lower (lumbar) spine. People with scoliosis develop additional curves to either side of the body, and the bones of the spine twist on each other, forming a C or an S shape in the spine. Scoliosis is about two times more common in girls than boys. It can be seen at any age, but it is most common in those over about 10 years of age. Scoliosis is hereditary in that people with scoliosis are more likely to have children with scoliosis; however, there is no correlation between the severity of the curves from one generation to the next.
The final rule requires that employers inspect walking-working surfaces regularly and as needed and correct, repair, or guard against hazardous conditions; and Training (Â§1910.30).
Precoated Sheets. â Advanced control over the coating atmo-. sphere secures adhesion of the zinc to the. base metal, thereby ensuring good workabil-. ity. These products are used mainly in home. electric appliances and building materials. Advanced control over the coating atmo-. base metal, thereby ensuring good workabil-. â SUPERNICKELThe surface texture is uniform and beautiful. The lack of heat treatment during the coat-. ing process helps to retain the properties of. the base metal. These products are used. mainly in home electric appliances for.