Danaher Corporation designs, manufactures and markets professional, medical, industrial and commercial products and services. The Company operates in five segments: Test & Measurement; Environmental; Life Sciences & Diagnostics; Dental, and Industrial Technologies. Its Test & Measurement segment offers products, software and services. Its Environmental segment products and services help protect the water supply, enhance the safety of personal data and improve business efficiencies. In the Life Sciences & Diagnostics segment, its diagnostics business offers analytical instruments, reagents, consumables, software and services. Its life sciences business offers research tools. Its Dental segment provides products that are used to diagnose, treat and prevent disease and ailments of the teeth, gums and supporting bone. Its Industrial Technologies segment solutions help protect the world's food supply, improve packaging design and quality, and verify pharmaceutical dosages.