Acoustic vibration tekinoloje yoyera: Sonic mswachi pafupi ndi 31000 zikwapu-Sangalalani ndi mano oyera ndi athanzi, sungani kumwetulira kwanu kolimba. Pezani kuyeretsa kokwanira ndi phokoso locheperako, ndikuwongoletsani kwambiri pakamwa panu m'masiku 14 okha.