Category Archives: engineering

Changing your tires? Which wrench is right?

If you’re having trouble loosening the lug nuts on your summer tires, a longer wrench will give you an advantage. The physics behind the “lever” wasn’t exciting in 6th grade, and surely would not compel you to read this article. However, the “longer wrench” solution is so effective that it’s...
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Design, so they don’t reach for it!

If you’re familiar with ergonomics design guidelines, then you are aware of the CSA guideline (CSA Z1004-12) that provides recommended reach guidelines for “frequent”, “infrequent”, and “occasional” work. What do these guidelines represent? For reach, we usually are most concerned with a smaller worker, because a larger worker could stand...
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Lean and mean?

How the elimination of “waste” from production is increasing the risk of musculoskeletal disorders (MSDs) amongst workers. by Karen Hoodless I recently attended a webinar given by Dr. Patrick Neumann (Associate Professor in the Mechanical and Industrial Engineering Department at Ryerson University), where he “Exposes the link between MSDs and...
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