Zingwe zamagetsi zolumikizidwa ndi polyethylene zimakhala ndi mphamvu zamakina apamwamba kwambiri, kukana kwambiri kupsinjika kwa chilengedwe, mphamvu zamagetsi zamagetsi, kukana mwamphamvu kuukira kwamankhwala. Kuphatikiza apo, zinthu zopepuka komanso zosavuta ndizosavuta kugwiritsa ntchito.