Assertion: soldering iron's tip | /r/CapableOf | become oxidized
Facets:
value: over the time
type: TEMPORAL
Source sentences:
text: Over the time, soldering tips become black and oxidized.
text: If a tip does become oxidized, flush it several times with a rosin-activated, flux-cored solder.
text: If a tip becomes oxidized, it will appear dark, and you may not be able to tin it.
text: One major failure is when the tip becomes oxidized, causing it to rust.