Nneɛma a atwa yɛn ho ahyia a kɔbere abaa tumi sesa ma ɛko tia nsɛe

Kɔbere ani taa yɛ zinc oxide anaa basic zinc carbonate a ɛbɔ ho ban a ɛyɛ den, a ɛkyerɛ sɛ ɛko tia nsɛe yiye wɔ mmeae a ɛnyɛ nea ɛnyɛ hwee anaasɛ ɛnyɛ alkaline a ɛnyɛ den mu. Wɔ tebea horow a ɛporɔw te sɛ po mu nsu ne wim tebea a ɛyɛ nwini mu no, nea ɛko tia nsɛe no korɔn sen carbon dade a ɛyɛ mmerɛw, nanso ɛyɛ mmerɛw sen dade a ɛnyɛ den de. Ɛfata sɛ yɛhyɛ no nsow sɛ kɔbere-a kɔbere wom (te sɛ HPb59-1) no mma ntwitwa adwuma no yɛ kɛse nko na mmom ɛtew coefficient of friction so denam kɔbere srade tumi so, na ɛma no nya mfaso kɛse wɔ nneɛma a ɛmma ɛnsɛe mu.