The would-be mugger threatens him with a switch blade.

A lower, more squat profile rail is used to make the switch blades.

Catch points may consist of a full turnout or a single switch blade.

This requires the investment in additional switch blades.

A typical shelf will contain one or more switch blades and several processor blades.

The gear assembly also provides required transmission ratio so that it can generate necessary force to move switch blades.

He said the police had recovered a four-inch-long switch blade that was being examined for finger prints.

It had a switch blade on the end that would stay in the whale's skin.

Turnouts were originally built with straight switch blades, which ended at the pointed end with a sharp angle.

This is normally used to allow access to sidings and improve safety by avoiding having switch blades facing the usual direction of traffic.