Nneɛma ahorow a ɛwɔ kɔbere abaa a wɔde yɛ adwuma no mu

Kɔbere abaa wɔ dwumadie a ɛtrɛ yie a ɛtumi sesa: berɛ a wɔreyɛ adwuma a ɛyɛ hyeɛ (600-800℃), wɔn plasticity korɔn sene kɔbere kronkron deɛ, na ɛma ɛfata sɛ wɔyi profile akɛseɛ fi mu. Wɔ awɔw mu adwumayɛ mu (te sɛ awɔw mu twetwe ne awɔw mu rolling) no, wobetumi adi sɛnea ɛyɛ den no so denam nsakrae a wɔbɛyɛ wɔ zinc a ɛwɔ mu no mu ma ɛne dimensional pɛpɛɛpɛ ahwehwɛde ahorow a ɛwɔ precision afã horow no hyia. Afei nso, kɔbere tumi twa ade yiye (titiriw kɔbere a kɔbere wom), na ahoɔhare a wɔde twa no du kɔbere kronkron de mmɔho 2 kosi 3. Adwinnade a wɔsɛe no no sua, na ɛma mfiri a wɔde yɛ adwuma no yɛ adwuma yiye kɛse.