I-pumed pipe ehleliweyo, luhlobo lobunjineli obuqhelekileyo asetyenziswa kubume bemibhobho yombhobho, i-carbon yentsimbi, intsimbi engenasitali, i-ilumin, ialuminium, njl njl. Ingasetyenziswa kwi-petrochemical, isixhobo, i-aerospace, chemic ...
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