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 first American to attempt the propelling of a boat by steam was William Henry, a gunsmith of Lancaster, Pennsylvania. In 1760, Mr. Henry was in England on business. He took great interest in the talk going on then about the use of steam to drive machinery, propel boats, and the like.