Both pathology have been attributed to damage by free radicals, there has been a great deal of interest in antioxidants. Bilberry's flavonoids are known as potent antioxidants, scavenging free radicals and used for multiple age-related ocular disorders. Thus, bilberry may have health benefits on these conditions.
Tensioner pulleys and idler pulleys keep the belt taut and running smoothly. The accessory pulleys have to spin a certain direction to power their respective parts. This determines whether they ârideâ on the inside or outside of the belt.
The drive element of a pulley system can be a rope, cable, belt, or chain that runs over the pulley inside the groove. Hero of Alexandria identified the pulley as one of six simple machines used to lift weights.