Passarola: projeto de aeróstato

triangle: basic three-sided shape of geometry

barge: flat-bottomed boat, built mainly for river, canal transport of heavy goods, usually moved by pusher or tug boats

fishing net: net used for fishing

human: any member of Homo sapiens, unique extant species of the genus Homo

oar: implement used for water-borne propulsion

wing: surface used by animals and vehicles for flight