Sixty-eight year old aircraft technician with a long history of work-related injuries to his right knee.  Over the years, he required multiple knee surgeries including a total knee replacement and a revision of the knee replacement.  He was eventually given a 50% permanent partial disability of the knee.  The Claimant was deemed unable to return to work as a result of his knee condition.  Settlement of this matter involved compensation for future medical treatment, future lost wage benefits and cost of living adjustments.