Iyo spiral jecha yekushambidza yekuwachira inonyatsoita michina inoshandiswa pakushambidza uye kushambadzira jecha mumasango akasiyana siyana. Ine chimiro chayo chakavezwa-chakapatsanurwa, chinokwanisika uye chinochenesa sosi yejecha. Mune chinyorwa chedu, tinoongorora michina yayo inoshanda, simbisai tekinoroji yeudiki kumashure

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Maswera anonyungudutswa skrini inoshandiswa zvakanyanya mumugodhi, metallurgy, zvekuvaka, mamwe maindasitiri emitero anowanzove nemitezo yakaderera, iyo inoita kuti miswe ive nyore kubata nekutakura. Inogona kugadzirisa marudzi ese emimwe marudzi ane zvivakwa zvakasiyana, uye ane a