Due to the powers of an enemy Stand, Joseph's body becomes magnetised. While chasing after the woman that seemed to be the Stand user, Avdol also touches the electrical outlet and becomes magnetised as well.
This magnetism is the work of a Stand,
so it follows the rules of Stands.
هذه المغناطيسيّة هي صنيعُ ستاند، لهذا تتبعُ قواعدَ الستاند
Der Magnetismus ist das Werk eines Stands,
also gelten für ihn auch Regeln.
Este magnetismo es obra de un Stand.
Este magnetismo es obra de un Stand.
Il magnetismo è opera dello Stand,
 e perciò segue le stesse regole degli Stand.
O magnetismo é obra de um 
Stand, e segue as regras deles.