Otu n’ime ngwaahịa ndị a na-amachaghị nke ọma na usoro mgbochi ọkụ bụ mkpọchi mkpịrị ọnụ ụzọ ọkụ. Mgbe ọnụ ụzọ ọkụ na-agbanye mkpisi na-eme ka ọnụ ụzọ mkpịrị ya meghee, siren ga-ada ruo mgbe ejiri aka kagbuo ya (ụda mkpu nwere ike iru 100 decibels). A na-eji ya eme ihe na nnukwu ụlọ ahịa, nnukwu ụlọ ahịa, ụlọ, ụlọ na ebe ndị ọrụ ndị ọzọ na-akpa ike.

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