Qalab toosan

Golaha wasiirada ee isticmaala alwaaxyada alwaaxyada adag, wakhti ka dib, albaabbada albaabadu way laalaabi karaan cimilada qalalan awgeed. Halkaa marka ay marayso, toosiyaha golaha ayaa ciyaarta u soo galaya si uu albaabka ugu soo celiyo toosnaanta iyadoo la hagaajinayo fidinta habboon, isaga oo hubinaya in cidhiidhiga iyo bilicda golaha wasiirada aan la carqaladayn. Aluminium aluminium ah oo aad u sarreeya oo la doortay oo leh iska caabin aad u fiican oo foorarsan, kaas oo lagu hagaajin karo si qarsoodi ah oo sax ah iyadoo loo eegayo shuruudaha gaarka ah ee albaabka albaabka. Haddii ay tahay balaadhinta iyo foosha ee alwaax ay sabab u tahay isbeddelada xilliyeedka ama isbeddelka yar ee albaabka albaabka oo ay sababto isticmaalka muddada dheer, si fiican ayaa loo sixi karaa qalliin fudud.