Imitha leleveli yomsindo likhombisa umsindo ozungezile ku-dB.
Izici zifaka impendulo esheshayo ye-decibel, ukulungiswa kokuzwela kwe-dB, kanye nokugcinwa kwefayela le-dB.
Bheka imitha yezinga lomsindo elithembekile kwimisebenzi eyisisekelo.
Kubuyekezwe ngo-
Nov 4, 2022