ZY pulasitiki zowunikira bokosi modulus terminal composite zida, amagwira ntchito kuwongolera ndikugawa zida zogwiritsira ntchito mphamvu ndikuteteza dera kumtunda. Dera lalifupikapena kuwonjezera moyo. Zimakhudza kwambiri malo omanga modem. Monga malonda ndi apamwambanyumba, masiteshoni, zipatala, masukulu, nyumba zogona ndi maofesi aboma, ndi zina.