3M (formerly known as Minnesota Mining and Manufacturing) is a technology company that provides product development, manufacturing, and marketing solutions. It operates through four segments: Safety and Industrial, Transportation and Electronics, Health Care, and Consumer. The Safety and Industrial segment specializes in personal safety products, industrial adhesives and tapes, abrasives, closure and masking systems, electrical products and materials, roofing granules, etc. The Transportation and Electronics segment provides advanced ceramic solutions, attachment tapes, films, light management films and electronics assembly, packaging and interconnection, and other solutions. The Health Care segment offers health information systems, skin, wound care, and infection prevention products and solutions, etc. The Consumer segment includes consumer bandages, braces, supports and consumer respirators, retail abrasives, paint accessories, and other products.