Habka qeexidda baaxadda iyo ujeedada mashruuca ama qorshaha, iyo qeexidda hawlaha gaarka ah iyo agabka loo baahan yahay si loo fuliyo. aragti marin-habaabin ah, inta badan adigoo si xushmad leh u soo bandhigaya macluumaadka ama ka saaraya tafaasiisha muhiimka ah, si loo saameeyo aragtida ama aragtida.