What Causes Facet Syndrome? Facet syndrome is generally the result of the natural aging process. However, the initial cause of arthritis, or facet syndrome, may also be an injury or overuse of the joints in youth. Another possible cause of facet disease is spondylolisthesis, which is when one vertebra â usually in the lumbar spine â slips forward over the lower vertebrae. When the facet joints become inflamed due to injury or age, the result is stiffness and pain.
An energy recovery ventilator (ERV) is a type of mechanical equipment that features a heat exchanger combined with a ventilation system for providing controlled ventilation into a building.
Turbine ventilatorâa ventilation equipment acquired from wind tower application theory. Turbine ventilator is an equipment that uses natural wind force to bring out the rotation of the turbine and creates a negative pressure at the down-stream end of the pipeline to exhaust airflow. The form and designing concept are quite simple, yet it is ideal in practicality.