This’ll teach `em - a school desk where th estudents have to stand. Ergonomic work station maker Sunway Inc. has introduced the the AlphaBetter Student Desk which comes with a stool, but encourages the student to stand and move around. "Confining students to one position throughout the entire day day after day isn’t in the their best interest academically of physically," one former elementary school teacher is quoted as saying in the Sunway press release.
As an exceptionally squirmy and energetic child, I know what the teacher is talking about. Check out this novel design.
The choice between helical and spur gears in gearboxes may seem straightforward. But with planetary gearboxes, however, the choice between helical and spur gears requires some additional thought. Here’s what you need to know to make the right choice.
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