It’s a tall, cylindrical handle that’s visually comparable to something you’d find on the door of a brick-and-mortar ... stand out from the traditional levers and knobs in your neighborhood.

It is easier to use a longer spanner when trying to turn a nut, and easiest to push furthest from the hinge when opening a door. A solid beam 0.5 m long is laid across a pivot to form a simple lever.

Levers can be found in many everyday items. For example, a door handle, a pair of scissors, a can opener and even a wheelbarrow all contain levers. Fran: Hi, I'm Fran and I'm in my workshop with ...