The most common shapes are called open-ended spanner and ring spanner. The term wrench is generally used for tools that turn non-fastening devices (e.g. tap wrench and pipe wrench), or may be used for a monkey wrench - an adjustable spanner. In North American English, wrench is the standard term.
The definition of first mate is the person on a boat that is second in charge after the captain. An example of first mate is the person who gives orders while the captain is busy. first mate. first mate.
The Current Scoop on Galvanic Corrosion. Pitting on the outdrives lower unit was first noticed by the boats owner in the spring of 2002. The following year, some degree of corrosion was evident on the same outdrive, so the owner slapped on a fresh coat of paint and hoped for the best. He was making a big mistake.