Assertion: detector's function | /r/CapableOf | magnetize the iron band
Facets:
value: along its axis
type: LOCATION
value: in one direction
type: LOCATION
Source sentences:
text: This functions to magnetize the iron band along its axis, first in one direction as it approaches the center of the coils, then reverse its magnetism to the opposite direction as it leaves from the other side of the coil.