Assertion: relay's contact | /r/CapableOf | prevent further dirt
Facets:
value: from ruining the contacts
type: TRANSITIVE-OBJECT
Source sentences:
text: While he suggests re-silvering their contacts, another solution is disassembling the switches, de-oxidizing and cleaning them using an electronic de-oxidizer such as DeOxIt from Caig Labs, then using a fine Scotchguard nylon scrubber to burnish the contacts, and finally reassembling them using Caig ProGold protective coating (very small quantities precisely applied) on the contacts to prevent further dirt and oxidization from ruining the contacts.