For example, the phrase spondylosis of the lumbar spine means degenerative changes such as osteoarthritis of the vertebral joints and degenerating intervertebral discs (degenerative disc disease) in the low back.
Special offers. MCB Selection. MCBs or Miniature Circuit Breakers are intended to give protection against overloads and short circuits, which can cause damage to cables and equipment. MCBs have current ratings (6A, 10A etc.) above which they will start to open or trip and give protection to the equipment.
The stronger the issuer's financial position the higher the credit rating assigned to the company. The top rating is 10 which is for AAA ratings -- the gold standrd. These securities set the benchmark for safety and all other bonds are rated relative to the safety of owning them. The ratings table is divided into two primary categories. Investment grade and speculative grade ratings.