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September 10, 2013
Meat and poultry industry knives Case study in importance of good friction grips Constant use of knives Many workers in the meat and poultry industries constantly […]
September 9, 2013
Notched wood blocks on car jack Principles affected Force Fatigue Related pages Background A cradle is any type of temporary holder for a heavy load, […]
September 9, 2013
[initial draft] A good way to get ideas for feasible improvements is to look at automatic equipment. Often, in order to automate, engineers have devised mechanisms […]
September 8, 2013
4000 year-old technology solves injury problem, increases output 20%, and eliminates rejects Before — Traditional workbench, no fixture The work had previously been done on a […]
September 8, 2013
A motion is a movement or exertion made by a major joint or body link. From the perspective of preventing musculoskeletal disorders, the concern is for […]
September 8, 2013
Static load refers to sustained muscle contraction, such as the fatigue and pain of writer’s cramp from holding a pencil for a long period of time. […]
September 8, 2013
Common standards* (Most items apply to sustained work) Maximum two-handed lift (with vertical travel distance) 20 lbs Maximum two-handed carry (no vertical travel distance) 30 lbs […]
September 8, 2013
The Lifting Guideline* incorporates a number of key variables in assessing the risk of injury associated with lifting. It provides a more useful approach than single-weight […]
September 8, 2013
Biomechanical models are mathematical predictive equations that can be used in this manner to estimate loads on the human body. These models can be complex, including the […]