Assertion: purity oxygen | /r/HasProperty | introduced at supersonic speed
Facets:
value: through a water-cooled lance
type: MANNER
Source sentences:
text: High purity oxygen at a pressure of 700–1,000 kilopascals (100–150 psi) is introduced at supersonic speed onto the surface of the iron bath through a water-cooled lance, which is suspended in the vessel and kept a few feet above the bath.