Ndalama zachitsulo zomwe mbali zonse ziwiri zinali ndi ndondomeko kapena zilembo, zimagwiritsidwa ntchito makamaka ngati njira yolemekeza, kulimbikitsa, kusonkhanitsa kapena kugulitsa. Nthawi zambiri amapangidwa ndi zinthu zamkuwa. Tsopano kufa akuponyazinc alloy ndalamachiwerengero kukula. Izi makamaka chifukwa cha khalidwe zinki aloyi zakuthupi ndi kuwala, ndi mtengo ogwira kuposa mkuwa. Kupatula apo, zinki aloyi kuponyedwa kungakwaniritse zosowa za mawonekedwe osakhazikika monga kudula kwamkati, mabowo, ngodya zakuthwa, zokwezeka kwambiri, zopindika ndi zina zambiri. Zinc alloy coin ndiyoyenera kupanga zochuluka kwambiri ndi bajeti yochepa.
Kuyambira 1984, fakitale yathu yapanga mamiliyoni azovuta zamakhoma ndipo adalandira zabwino zambiri kuchokera kwa makasitomala padziko lonse lapansi. Lumikizanani nafe tsopano, tikupangitsa kuti ndalama zanu zitheke!
Zofotokozera
Quality Choyamba, Chitetezo Chotsimikizika