O le fa'aisa tunnel fa'afefeteina e fa'aaogaina le manatu fa'atekonolosi aupito lata mai o le fa'afefeteina, lea e fa'amautinoa ai oloa 'e o'o lava ile aisa ma e le pipii fa'atasi.E fa'a'aisa oloa e ala i le fa'ainisinia vibration mamamafa o le ea, faia i latou i se tulaga semi po o le atoatoa le tumau, ina ia iloa ai le tagata lava ia vave aisa ma puipuia adhesion.
E sili ona talafeagai mo fualaau 'aina ma fuala'au aisa vave i granular, flaky, tele, e pei o pi lanumeamata, cowpeas, pi, soya, broccoli, kāloti, cauliflower, fualaʻau, blueberry, rasipi, litchi, peach samasama, ma isi.