Walalka ka-hortagga Haydarooliga waa nooc ka mid ah waalka loo isticmaalo in lagu xakameeyo qulqulka dareeraha ee nidaamka hawo-biyoodka. Caadi ahaan waxaa loo isticmaalaa si looga hortago rarka xad dhaafka ah, kaas oo dhaawici kara qalabka ama sababi kara dhaawacyo.