Loud machine running until something is flipped where the noise becomes slightly less loud until the end.
A loud machine is running until something is flipped, where the noise becomes slightly quieter until the end. An engine is whirring and then slows down a bit Loud machine running until something is flipped where the noise becomes slightly less loud until the end. The engine buzzed to a roar and then slowed to idle The hum of the fan was interrupted by the crack of the stick and ball sinking in the pocket.