Umbhobho wentsimbi odityanisiweyo, okwaziwa ngokuba ngumbhobho odityanisiweyo, wenziwa ngepleyiti yentsimbi okanye umcu emva kokwenza umbhobho wentsimbi odityanisiweyo, ubude ngokubanzi ziimitha ezi-6.Inkqubo yokuvelisa umbhobho wentsimbi edityanisiweyo ilula, ukusebenza kakuhle kwemveliso, ukuchaneka kwezinto ezahlukeneyo, utyalo-mali oluncinane kwizixhobo zokusebenza, kodwa amandla ngokubanzi angaphantsi kunombhobho wentsimbi ongenamthungo.