Kuyerera huwandu hune simba, saka kuyerwa kwekuyerera itekinoroji yakaoma, kubva kune yakayerwa kuyerera muviri, kusanganisira gasi, mvura uye yakasanganiswa fluid yezvinhu zvitatu zvakasiyana zvemuviri zvemvura; Kubva kumamiriro ekuyera, asiwo akasiyana, mumetallurgical. semuenzaniso, indasitiri ...
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