CostHelper readers report costs of $1,000-$3,700 for major air conditioning repairs, with an average of $1,829. Installing air conditioning in a vehicle that doesn't have any can cost $1,500-$4,000 or more, depending on location and the vehicle's year, make and model; luxury vehicles can cost even more.
Overtraining can best be defined as the state where the athlete has been repeatedly stressed by training to the point where rest is no longer adequate to allow for recovery. The overtraining syndrome is the name given to the collection of emotional, behavioral, and physical symptoms due to overtraining that has persisted for weeks to months. Athletes and coaches also know it as burnout or staleness..
A related kind of underemployment refers to involuntary part-time workers. These are workers who could (and would like to) be working for the standard work-week (typically full-time employment means 40 hours per week in the United States) who can only find part-time work.  Overqualification  or overeducation, or the employment of workers with high education, skill levels, or experience in jobs that do not require such abilities. 2  For example, a trained medical doctor who works as a taxi driver would experience this type of underemployment.