Igwe ọkụ ọkụ na-eme mkpọtụ?
Azịza: Ngwaahịa niile na-ekpo ọkụ na-eme mkpọtụ, mana nfuli ọkụ na-adịkarị jụụ karịa igwe ọkụ ọkụ ọkụ. Igwe mmiri ọkụ na-ekpo ọkụ nke ala nwere ike iru decibels 42, yana mgbapụta ikuku ikuku nwere ike iru 40 ruo 60 decibels, mana nke a dabere na nrụpụta na installat ...
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