Interview Betty Mei, 3M3M - from sandpaper manufacturer to multi-technology group

From Post-it to the overhead projector to the Littmann stethoscope: the multi-technology group 3M is at home in all areas of life. Dr. Betty Z. Mei, Technical Director 3M Abrasive Systems Division, explains how a company has managed to keep up with the times and the market for 115 years. Mei, Technical Director 3M Abrasive Systems Division, explains in an interview with SCOPE.