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.
Industrial piercing. When an industrial piercing is done, two or more tissue piercings are done and they are joined using a single long barbell (industrial barbell). This is done in order to reduce stress on the tissue. However, the piercings can be fitted with separate pieces of jewelry and can heal individually.