Halma plc is involved in the manufacture of a range of products that protect and improve the quality of life for people. The Company operates through four segments: Process Safety, Infrastructure Safety, Medical, and Environmental & Analysis. The Process Safety includes products, which protect assets and people at work, including specialized interlocks, instruments, and explosion protection and corrosion monitoring products. The Infrastructure Safety includes products, which detect hazards to protect assets and people in public spaces, transportation and commercial buildings. Its products include fire and smoke detectors and fire detection and suppression systems. The Medical includes products, which enhance the quality of life for patients and improve the quality of care delivered by providers. The Environmental & Analysis includes products and technologies for analysis in safety, life sciences and environmental markets. It also includes products to monitor water networks.