Qalabka isku dhafka ah ee daaweynta bulaacadaha waxaa loola jeedaa qalab isku dhafan oo lagu daweeyo wasakhda wasakhda oo la isku daray si loo sameeyo nidaam daaweyn oo isku dhafan, oo hufan si loo dhamaystiro daaweynta wasakhda.