whisper grinding n.— «Caltrans instead is considering a technique called “whisper grinding” to make the concrete on I-5 quieter.» —“Green approach produces quiet streets” by Dave Downey North County...
whisper grinding n.— «Caltrans instead is considering a technique called “whisper grinding” to make the concrete on I-5 quieter.» —“Green approach produces quiet streets” by Dave Downey North County...
