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.
A Third Mate (3/M) or Third Officer is a licensed member of the deck department of a merchant ship.The third mate is a watchstander and customarily the ship's safety officer and fourth-in-command (fifth in some ocean liners).Other duties vary depending on the type of ship, its crewing, and other factors.he third mate is a watchstander and customarily the ship's safety officer and fourth-in-command (fifth in some ocean liners). Other duties vary depending on the type of ship, its crewing, and other factors.