Xidhmada unugga shidaalku keli ahaan uma shaqayn doonaan, laakiin waxay u baahan yihiin in lagu dhex daro nidaamka unugga shidaalka. Nidaamka unugga shidaalka qaybo kala duwan oo caawimo ah sida kombaresarada, bambooyinka, dareemayaasha, valves, qaybaha korantada iyo unugga kantaroolka waxay siiyan xirmada unugyada shidaalka sahayda lagama maarmaanka u ah ...
Sii akhri