In order to defeat Chili Pepper, who intends on killing Joseph Joestar, Josuke and the others head to the harbor. Jotaro believes that Chili Pepper will try to get to Joseph's boat with something that requires a battery, so he leaves Josuke and Koichi at the harbor, telling them to attack the user if he shows himself. As Josuke is dealing with his conflicting feelings towards Joseph, the very confident user of Chili Pepper shows himself.
And the grates are covered by 
the oil film from the coal tar!
وغُطِّيَت البالوعات بواسطة الغشاءِ الزيتيّ
النّاجم عن قطران الفحم
Und die Öffnungen sind
komplett mit Öl bedeckt!
¡Los desagües están cubiertos
por la capa de aceite del alquitrán!
¡Las desagües están cubiertos
por la capa de aceite del alquitrán!
il forme une couche de pétrole
sur les bouches d’évacuation !
e sta colando dentro il tombino!
Os bueiros estão
com uma fina camada de alcatrão!