Mercury (element) is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps and other devices, though concerns about the element's toxicity have led to mercury thermometers and sphygmomanometers being largely phased out in clinical environments in favor of alternatives such as alcohol- or galinstan-filled glass thermometers and thermistor- or infrared-based electronic instruments. Likewise, mechanical pressure gauges and electronic strain gauge sensors have replaced mercury sphygmomanometers. Mercury remains in use in scientific research applications and in amalgam for dental restoration in some locales. It is also used in fluorescent lighting. Electricity passed through mercury vapor in a fluorescent
International Institute of Risk & Safety Management qualifications. In addition, companies or other organizations may be corporate members. Alongside other Health and Safety bodies, IIRSM assisted with the Occupational Safety & Health Consultants Register (OSHCR). IIRSM represents UK health and safety professionals present in over 70 countries. Corporate membership is also available. Applicants following a recognised course of study in preparation for qualifications in health, safety or risk management. Applicants in full-time education or the Armed Forces, who are considering a career in Safety Management. Applicants who are involved in accident prevention and occupational health and safety but who do not qualify for a designated grade of