 Waxa ay hawlwadeennadu sheegeen in sababta bisadda dhegaha la lagu doortay ay tahay, in aanay maqlayn codka iyo qaylada taageerayaasha oo laga yaabo in ay qaarkood ku yeeshaan saamayn wax ka beddesha ama khalkhal gelisa doorashadii ay samayn lahayd. 