Malo omwe zida zambiri zamagetsi / zamagetsi zimagwira ntchito nthawi imodzi zimatha kuyambitsa mavuto chifukwa chakuwala kwa phokoso lamagetsi kapena chifukwa cha kusokoneza kwamagetsi (EMI).Phokoso lamagetsi limatha kukhudza kwambiri ntchito yoyenera ya zida zonse.