Italsoledtothedevelopmentofnewtypesoftransportationsuch assteam-poweredlocomotivesandsteamboats.Junior Edu times소리듣기그것은또한증기기관차와증기선과같은새로운종류의교통수단의발달을가져왔다.
However, thebasicformulaofapetroleum-powered, human-controlledmachinehasneverbeenseriouslychallenged.Edu times소리듣기그러나석유를사용하고사람이조종하는기계라는기본적공식에심각한도전이이루어진적은없었다.