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 which is also known by the name of scaffold piercing usually involves the perforation of 2 holes on the upper part of the ear cartilage. As this kind of ear piercing involves perforation of 2 holes, sometimes the process gets a bit painful.