Ihe mgbochi rọba
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Mpempe egwu rọba maka igwe ihe na-ebu ihe traktọ gwupụta ihe
Rubber pad bụ otu ụdị mma na gbatịa ngwaahịa nke roba ogbe, ha tumadi na-amalite arụnyere na ígwè tracks, ya agwa dị mfe echichi na adịghị emebi n'elu nke okporo ụzọ.