A l _ _ _ _ is a special pipe which supplies oxygen.
lance
15
S_ _ _ is a term used to describe impurities left when substances have been oxidised.
slag
15
The b _ _ _ is a pumping action, e.g. when oxygen is pumped onto metal at high pressure.
blow
15
When you t_ _ molten metal from a vessel, you pour out the metal from a hole.
tap
15
A filter is used to remove the _______________ from the mixture. PURE
impurities
15
Iron and carbon are highly ________________ of electricity. CONDUCT
conductive
15
The leaking furnaces were because of poor maintenance. BY The leaking furnaces __________________________ poor maintenance.
were caused by
15
The weight of the molten steel makes it sink to the bottom of the cell. CAUSES The weight of the molten steel __________________________ to the bottom of the cell.
causes it to sin
15
The mixture is passed through a filter which removes impurities. RESULT Impurities are removed __________________________ passed through the mixture.
as a result of being
15
__________ iron is another name for hot metal.
molten
15
Lime is a __________ or substance which bonds with the impurities.
flux
15
The __________ (oxidised impurities) is removed and then recycled.
slag
15
The main material __________ (use) in the Basic Oxygen Steelmaking process is hot metal.
used
15
Coolant can __________(add) if the temperature needs __________(adjust).
be added, to be adjusted
20
The converter vessel __________ (tilt) about 45º and scrap steel __________ (feed) into the top of the vessel.
