heavy duty #drone delivery more efficient nowadays than helicopter with human pilot
 https://image.nostr.build/3640f8fef288a790c2eee78a0a659d540c19ff0a9175a77f6c162969833f3d02.png https://image.nostr.build/9340924b08473dd4c369f113f68682be3a47fb9c2ce4c78b8e20a71df4cd76f4.png