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.
Differential pulley. A differential pulley, also called Weston differential pulley, sometimes chain hoist or colloquially chain fall, is used to manually lift very heavy objects like car engines. It is operated by pulling upon the slack section of a continuous chain that wraps around pulleys.