JC Ojeda, a global application engineer at 3M, gives a presentation on Dec. 19 on road safety products made by 3M. (Jerry Holt/The Minnesota Star Tribune) ...

GREG FOOT: Hello I'm Greg Foot. FRAN SCOTT: And I'm Fran Scott. And this is the House Of Sound. FRAN: Well pin back your ears as you're about to find out with this little film I made. So Greg is ...

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