| http://www.w3.org/ns/prov#value | - s, samarium-cobalt magnets are also used to move the flight control surfaces of aircraft, including flaps, rudder, and ailerons, moth missile and radar systems, traveling wave tube (TWT), defense radar systems and electronic countermeasure equipment, such as the Tail Warning Function, carbon arc lighting for the motion picture industry, optical glass to absorb the infrared, neutron absorber in nuc
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