Ị na-achọ onye na-eweta egwu rọba a pụrụ ịdabere na ya maka mkpa gị?

Ngwa nke Yijiang rọba track : Obere excavator, bulldozer, dumper, crawler loader, crawler crane, carrier ugbo ala, ugbo igwe, paver na ndị ọzọ pụrụ iche igwe.

Enwere ike ịhazi ogologo oge iji gboo mkpa gị. Ị nwere ike iji ihe nlereanya a na robot, rọba track undercarriage.

Nsogbu ọ bụla biko kpọtụrụ m.