Zida zothira matomizetion zopopera ndi zida zapamwamba zopopera. Mfundo yake ndikusintha - mafunde ophatikizira a Provel - mafunde am'madzi am'madzi mu masinthidwe a pizzoelectric, kenako ndikusamutsa mphamvu yamakina ku madzi, kotero kuti Li
Akupanga omwe ali - Zosefera zosefera zowoneka bwino ndi zida zapadera zomwe zimagwiritsa ntchito kwambiri - frequency akupanga mphamvu yogwedeza mphamvu yolumikizidwa ndi zinthu zopanda pake. Tekinoloji iyi imatembenuza mphamvu yamagetsi kukhala makina opanga makina kuti akwaniritse bwino a