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.
Here is the second part of the video series on a 1434 Jon Boat. In this episode we are Removing 3/4 of the second bench seat, marking out how much to leave and how much to remove then cutting out the top and finally getting down the sides of it so that it can be removed.