These devices are used in the healthcare sector. Aspirator devices are used for clearing respiratory secretions, while thermometers and temperature gauges are used to measure body temperature. Temperature monitoring systems and gauges are used for temperature tracking. Sterilizers are used for the sterilization of medical instruments, and centrifuge devices are used for the separation of blood and other fluids. Pulse oximeters are used to measure pulse and oxygen levels, while fetal dopplers are used to listen to the fetal heartbeats during pregnancy. Queue management systems and numbering machines are used for queue management in places like hospitals.