Isikhombisi sesandela lesiShandong Tongda sithunyelwe ngokupheleleni ukwenzela amandla eziphumaphi kwisezulwini lokusebenza ngephakathi komoya. Isikhombisi singamabutho omuhle wopholilethu olungaphansi lokusetyenziswa, elingaphandle kolungiselelo olungaphansi lokusebenzela ukubhala okukho kumahhula angaphandle kokuthi amasiphi lesandela akuyiphakathi. Izigaba zomoya zizihlelwa ngempumelelo ukuvumela uphakamiso olungaphansi lokusebenzela sandela ngendawo yezibophelelo, phakathi kwezisandelo ezifanele ezintshani benye kwezisandelo ezincinci ezinikezeliyo. Ngenqanawe yokusebenza yokumoya engavonywa phakathi kwe-80 - 160 Hz, sikhiqiza ukuba kufanele luhlalele isenzo senqanawe yokusebenza ngokuphambili lokusebenza nokusetshenziswa kwezinye izinto ze-sandela nezilondolozi zokusebenza. Ukusetshenziswa kwesikhombisi sokuthi sihlala kanye nohlangothi olungaphansi olungaphezu kwalokusebenza lokumoya olungaphansi lokugcina amabutho wopholilethu, esebenza ukuthola umoya olungaphansi kunye nokugcina ingxoxo. Le sikhombisi sesandela sisethemba ukuthi siphindaphinda uphakamiso kunye nokuhlola kwisezulwini lokusebenza sandela, futhi sithole ukuthi sifanele kakhulu kuzikhwalekile kwezindawo zokusebenza le-sandela, amaqhompha yekhono kunye nezindawo eziningi ezitholeni. Phantsi nomuzi ukubuya nokuthi uzixhasa okuthi le sikhombisi sibhekisele indlela yakho yokusebenza lokusebenza sandela.