Isikhombisi esibuyileyo se-Shandong Tonda sike umnotho omkhulu lokusebenza kwisezantsi emazweleni elihluhleni lapho kuhlanganiswa ukususa amagumbi okuthile kwezinto ezilandelana nezinkululo, njengemhlophe, intambo noma amangesi. Amabhedlela we-polyurethane wekhombisi akhetha idizayini le-wedge wire noma i-perforated nelamakhanda engakho (0.1–5 mm), uzokusukela ukubaleka ngokuphelele ngokufinyelela izintambo ezincane. Isikrhi esibuyileyo sikuphucukelela stabiliti ngemva kokuthola imigomo elinganayo, nge-angles ezincinci zokuhlala (10–20 degrees) ezincedwe ngokungafundeki ukuhlala ngokushesha. Inikezwa nge-polyurethane enhlalakahle yokugcina ukusuka kumgci wokuqala, uzokuphucula ukusuka kwesiko lesi-sikhombiso sokudla nokuziphindaphinda kweziqhaza. Langa nomuntu ukubonisa amanani akho aleziqhaza lokusebenzisa isikhombisi esibuyileyo.