N'ebe a na-arụ ọrụ ihe owuwu, telescopic chassis nwere ngwa ndị a: 1. Excavator: Excavator bụ igwe na-arụ ọrụ na-arụ ọrụ, na telescopic chassis nwere ike gbanwee isi ala na obosara nke onye na-ebu ibu iji mee mgbanwe na saịtị ọrụ dị iche iche na ihe a chọrọ. Ọmụmaatụ,...
GỤKWUO