difference between spanner and Wrench

Spanner/Wrench

Maintenance common hand tools :

Many people confused with the Hand tools spanner and Wrench. The common tools used in the Industrial maintenance job as well as in the Automobile sector. These tools are used to  provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.Spanner is basically a British Term and Wrench is American Term. Another term used in AUS/NZ that is shifting spanner/ wrench.