whir

Bob chats against the buzzing backdrop of whirring industrial tools and woodwork machines in the next room - a laser cutter, bandsaw, lathe and a 3D printer among them.

Tyranny may start, in “I’m Still Here,” as the whir of a single helicopter, but without vigilance it can seep through your doors and windows until you are surrounded.

His motorized wheelchair whirring to life, “Rocket Rod” Foster uses the joystick attached to the end of an armrest to roll forward inside his West Los Angeles apartment.

The constant whir of leaf blowers will grind to a halt as temperatures become too hot for gardeners and outdoor workers during the day.

Generators continue to whir with a haunting and deafening hum that reverberates throughout the massive turbine deck.