Naletsana

a Hangata tekanyo ea lerata e lekanngoa ka ho sebelisa mithara o lekanyang molumo ka li-decibel. Kaha tsebe e utloa maqhubu a molumo ka mokhoa o nepahetseng ho feta lintho tse ling, mithara oo o entsoe hore o sebetse ka tsela e tšoanang.