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.
Dermal piercing, also known as microdermal piercing, is a form of body piercing where the dermis, i.e., the layer of skin underneath the epidermis, the outer layer of skin, is punctured or cut in order to place body jewelry. Dermal piercings can be made on almost all skin surfaces of the body.