Assertion: molybdenum | /r/ObjectUse | used in grid
Facets:
value: for radio valves
type: PURPOSE
value: according to the world health organization
type: OTHER
Source sentences:
text: According to the World Health Organization (WHO): "Molybdenum is used in the manufacture of special steels, in electrical contacts, spark plugs, X-ray tubes, filaments, screens, and grids for radio valves, and in the production of tungsten, glass-to-metal seals, nonferrous alloys, and pigments.