Njengoba kunombhalo oyisithenjwa ophathelene nomphumela webhola leqhwa, ngitshele ukuthi usebenza kanjani ebunjiniyela bezindiza.
Context:Umphumela webhola leqhwa yinqubo eqala kusuka esimweni sokuqala sokubaluleka okuncane futhi yakhela ngokwayo (ukuhlanganiswa okuqhubekayo), iba nkulu (ngokwedlulele, ngokungathi sína ngokwengeziwe), futhi mhlawumbe iyingozi noma iyingozi (umjikelezo omubi), yize kungenzeka ukuthi kunenzuzo esikhundleni salokho (umjikelezo omuhle). Lena inkulumo evamile kuma-cartoon nasemidlalweni yesimanje yaseshashalazini, futhi ibuye isetshenziswe nakwezengqondo.  Umfanekiso ovamile uwukugingqika kwebhola leqhwa phansi egqumeni elimbozwe yiqhwa. Njengoba igingqika ibhola lizoqoqa iqhwa eliningi, lithole isisindo esikhulu nendawo eyengeziwe, futhi liqoqe iqhwa elengeziwe nomfutho njengoba ligingqika.  E-aerospace engineering, isetshenziselwa ukuchaza umphumela wokuphindaphinda wokonga isisindo sokuqala. Ukwehliswa kwesisindo se-fuselage kuyodinga ukuphakanyiswa okuncane, okusho ukuthi amaphiko angaba mancane. Ngakho-ke kudinga umfutho omncane futhi ngenxa yalokho izinjini ezincane, okuholela ekulondolozeni isisindo esikhulu kunokunciphisa kwasekuqaleni. Lokhu kuphindaphinda kungaphindwa izikhathi eziningana, nakuba ukwehla kwesisindo kunikeza inzuzo encishayo.  Inqubo yokuqalisa ye-electronic oscillator, lapho amandla esekethe evuliwe, ukusetshenziswa kobuchwepheshe komphumela webhola leqhwa. Umsindo we-elekthronikhi uqiniswa yisekethe ye-oscillator bese ubuyiselwa kokungenayo okuhlungiwe ukuze kuqukathe imvamisa ekhethiwe (efiselekayo), ngokuya ngokuqina emjikelezweni ngamunye, kuze kube yilapho kutholakala ukuguquguquka kwesimo esizinzile, lapho amapharamitha wesekethe ehlangabezana nenqubo yokuzinza kaBarkhausen.
Umphumela we-snowball usetshenziselwa ukuchaza umphumela wokuphindaphinda wokonga isisindo sokuqala kwezobunjiniyela be-aerospace.