Egwu rọba n'azụ abụrụla akụkụ dị mkpa nke ngalaba ihe owuwu na igwe ọrụ ugbo, ọkachasị ndị na-egwupụta ihe, traktọ na azụ azụ. Egwu ndị a, gụnyere egwu rọba excavator, traktọ rọba track na egwu rọba track, na-enye traction dị elu, belata ala tupu ...
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