hat
Semi-automatique ekran changer: Lè ekran an filtre bezwen chanje, operatè a ka pran soti ekran an filtre ak chanje filtre nèt la rezèv pa bouton an ekran changer kontwòl.
eng
Semi-automatic screen changer: when the filter screen needs to changed, the operator can take out the filter screen and change the spare filter net by the screen changer control button.