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oa Journal of Applied Science in Southern Africa - Ergonomic evaluation of manually-operated peanut butter mills

Volume 8, Issue 2
  • ISSN : 1019-7788

 

Abstract

Previous studies showed that the manually-operated peanut butter mills available on the market had technical problems related to the design and operation of the machines. One such problem was that the mills were too heavy for women to operate, resulting in limited operational time and ultimately, low total output. An ergonomic study of the original and modified versions of the mills was conducted at the University of Zimbabwe to verify the previously identified problems and develop appropriate and lighter mills for manual operation. A body discomfort assessment and heart rate measurement were used to determine stress endured by 12 women, as a result of operating the mills. Medium to high levels of discomfort were experienced in the lower back, neck, chest, lower arm, upper arm and shoulder.

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/content/jassa/8/2/AJA10197788_15
2002-01-01
2016-12-10

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