Otu iko nwere ike ịnwe mkpa gị niile n'oge njem.
Acoustic vibration dị ọcha teknụzụ: Sonic asacha ezé gburugburu na 31000 ọrịa strok / nkeji ga-enyere wepu ruo 150% ọzọ ihe e dere ede karịa akwụkwọ ntuziaka nkịtị ezé, ma, sonic ahịhịa ezé nwere ike inyere iji gbochie chịngọm nlaazu.