3M (formerly Minnesota Mining and Manufacturing) is a technology company that provides product development, manufacturing, and marketing. It operates through four business segments: Safety and Industrial, Transportation and Electronics, Health Care, and Consumer. The Safety and Industrial segment specializes in personal safety, industrial adhesives and tapes, abrasives, closure and masking systems, electrical markets, automotive aftermarket, and roofing granules. The Transportation and Electronics segment is focused on electronics (display materials and systems, electronic materials solutions), automotive and aerospace, commercial solutions, advanced materials, and transportation safety. The Health Care segment offers medical and surgical supplies, skin health and infection prevention products, oral care solutions, separation and purification sciences, health information systems, inhalation and transdermal drug delivery systems, and food safety products. The Consumer segment includes office supplies, stationery, home improvement products, home care products, protective material products, certain consumer retail personal safety products, and consumer health care products.