Chotchinga chotsekedwa bwino chomwe sichimamveka bwino komanso mota yopanda phokoso lalikulu imachepetsa phokoso logwira ntchito kufika pafupifupima decibel 70, kuthetsa madandaulo panthawi yomanga usiku, kugwira ntchito pafupi ndi zipatala, ndi malo okhala anthu.
Kapangidwe kabwino kakuphatikizapomaginito okhazikika osinthika pafupipafupikapena kuyendetsa kwa ma frequency osinthika. Kuyendetsako kumasintha liwiro lokha kutengera momwe mafuta amagwiritsidwira ntchito, zomwe zimapangitsa kutikutayika kwa katundu kosakwana zero, kusunga mphamvu ndikuonetsetsa kuti mpweya ukuyenda bwino.