Mary thought, "What if the diver could actually clean the windshield from the inside so that he could stay safe and drive and the passengers could actually stay warm?" So she picked up her sketchbook right then and there, and began drawing what would become the world's first windshield wiper.
Mary pensó: "¿Y si el conductor pudiera limpiar el parabrisas desde el interior para poder conducir de forma segura mientras los pasajeros disfrutan el calor?" Sacó su libreta allí mismo, y empezó a dibujar lo que se convertiría en el primer limpiaparabrisas del mundo.