Cranes ọrụ siri ike

N'ime ụzọ nkọwa nke ụlọ ọrụ ndoro na geotechnical engineering, crane ndoro nwere ike ịgbanwe n'oge na-adịghị anya n'ịmepụta ndoro ndoro ndoro ndoro. A na-emegharị ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro