The machine's cutter blades were spinning at the time.

The cutter blades can pivot around for more dynamic combat in racing.

The Flymo is an air-cushion lawn mower which uses a fan on the cutter blade to provide lift.

The cutter blades of the BCM dig out ballast from under and around the sleepers, and a conveyor belt transfers it to the on-board cleaning equipment where the ballast is passed over screens which remove fine debris.

Hidden cutter blades whirred inside the monstrosity, and sparks crackled from circuit ports.

The soft thudding of the cutter blades had risen to an ear-piercing shriek, which died into silence as Harrison switched them off.

Immensely relieved, she made the two vertical cuts, watching to keep the cutter blade straight.

This is the only planer we have tested so far that gives instructions on grinding cutter blades and overall user-servicing (including the replacement of carbon brushes).

Next, examine the drive belts that transmit power to the wheels or to the cutter blade.

The cable was cutting grooves in the cutter blade I've been using for a wedge.