The definition of sibilance is when something has an s or sh sound. An example of sibilance is the hissing of a snake.
A wrench (or spanner outside of North America) is a tool used to provide grip and mechanical advantage in applying torque to turn objectsâusually rotary fasteners, such as nuts and boltsâor keep them from turning. In Commonwealth English (excluding Canada), spanner is the standard term.
(April 2015). A torque wrench is a tool used to precisely apply a specific torque to a fastener such as a nut or bolt. It is usually in the form of a socket wrench with special internal mechanisms.