As with hemp oil, delicate nut oils like hazelnut should be stored in the refrigerator once opened to preserve freshness. Buy only the amount youâll use within three to six months for peak flavor. Best uses: Skip the frying pan and use hazelnut oil to gussy-up cooked rice, quinoa, or oatmeal.
Hinge is a joint. It is designed to join two 'arms' together while letting them move freely. A lever is when a pivot, load, effort is present. Although hinge itself is not a lever, but taking our biceps as an example, that would be a Class 3 lever.
A lever is a rigid ro d (usually a length of bone) that turns about a pivot (usually a joint). Levers can be used so that a small force can move a much bigger force. This is called mechanical advantage. There are four parts to a lever â lever arm, pivot, effort and load. In our bodies: bones act as lever arms joints act as pivots