Definition of "rustproofing" []

• Present participle of rustproof. (verb)

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• "Other displays focus on how Toyota's car technologies have been applied to houses, including a rustproofing process that preserves the house's steel structure for decades; a device to quiet engines that can help damp vibrations from foot traffic on the upper floors; and a single key that can be coded to open both the owner's Toyota car and Toyota home."
• "Quebec roadsalt required replacement of the gas petrol tank on my first two, but rust has not otherwise been a major problem; nevertheless, I have tried rustproofing the most recent one."
• "A company specializing in undercarriage rustproofing for cars can add protective products for other car parts such as the interior fabric or the exterior paint."