Kuva COVID-19 yatangira, masike n'ibindi bikoresho birinda ubuvuzi byabuze mu gihugu hose.Urebye imiterere ya mask, masque yo kubaga ubuvuzi muri rusange ifite ibice bitatu, Byombi imbere ninyuma ni imyenda idoda, na fil yo hagati ...
Impuzandengo ya sisitemu yo gusiga ntabwo iringaniza ryoroshye hagati yamavuta, ahubwo ni amavuta yo kwisiga ya sisitemu yose.Imikorere ya sisitemu zitandukanye zihamye zifite ibisabwa bitandukanye kumavuta, hamwe namavuta yakinishijwe amavuta yo kwisiga ...