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The rate at which new injuries and illnesses occur for a given job, production line, work area, department or the company. Intervertebral Disc: Elastic disc -- a fibrous outer ring enclosing a pulpy inner nucleus -- interposed between adjoining vertebrae of the spine. Deterioration of the intervertebral disc through injury or disease leads to back pain. Ischia: "U"- shaped bones within the buttocks that carry most of the weight of the upper body in a seated position.
출처: www.ihfcergo.com/en/Ergonomic_Glossary_70.html
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