If you think about the oil slicks that we saw before, or those massive algal blooms, what you really want to do is put your Row-bot out there, and it eats up all of those pollutions, and then you have to go collect them.
Se pensarmos nas manchas de óleo que vimos há bocado, ou naquela proliferação de algas, queremos pôr ali o Robô-remo para ele comer aquela poluição toda. Depois temos que ir buscá-lo.