Measuring a bicycle chain's pitch can be used to identify chain wear and flag the need for a replacement chain and/or cogs and chainrings. Bicycle Chains: Length, Width, What's Best to Buy etc.
Daith piercing. A Daith piercing (pronounced DÃ¤TH) is an ear piercing that passes through the ear's innermost cartilage fold, the crus of the helix. In most areas this piercing is pronounced day-th which can be compared to the word faith, which is nonstandard. The standard pronunciation is doth like goth.
What is Dermal Piercing? Dermal piercings, also known as microdermal piercings or single-point piercings, are piercings installed on flat surfaces of the body. Dermal piercings are different from ordinary body piercings in that the latter have entry and exit points for the jewelry. In dermal piercing, only one end of the ornament emerges from the surface of the skin; the other end is embedded in the dermal layer of the skin.