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.
Body Piercing. Most stainless steels contain deliberate additions of nickel. These steels cannot be considered for 'post assemblies' to meet the 0.05% maximum nickel level. Some attempts have been made to make ferritic or manganese / nitrogen based austenitic stainless steels with very low nickel levels.