Assertion: magnesium sulfate's magnesium | /r/ObjectUse | used as igniter
Facets:
value: for thermite
type: PURPOSE
Source sentences:
text: Magnesium may also be used as an igniter for thermite, a mixture of aluminium and iron oxide powder that ignites only at a very high temperature.
text: Magnesium may also be used as an igniter for thermite, a mixture of aluminium and iron oxide powder that ignites only at a very high temperature.