Assertion: blast furnace | /r/HasProperty | manipulated
Facets:
Source sentences:
text: At the end of the casting, the tap hole is plugged, hot blast is taken off the blast furnace, bleeders are opened, steam is turned into the dust catcher, the blast furnace is isolated from the common gas system and stove valves are manipulated to draft gas back through the bustle pipe, hot blast main and out through the stove chimney.