1. Sɛ ade a ɛyɛ den twetwe asase ani a, mframa betumi ne aluminium adi nkitaho tẽẽ na adi kan ama baabi a apira no ayɛ oxidize. Daakye, oxidation no bɛtrɛw nkakrankakra akɔ mmeae a atwa ho ahyia no.
2. Wheel hub oxidation taa fi nnuru a ɛyɛ hu a ɛma nneɛma mu yɛ hyew. Nanso sɛ wɔde ade a ɛte sɛɛ bɔ so wie a, ɛtaa sɛe tae ne ntwahonan no, na ɛka sɛnea tae no yɛ adwuma mpo, na ɛma ntwahonan no dan kɔkɔɔ na ɛyɛ oxidized.