There may move up to several rings in close proximity, concentric and excentric, their charges may add and subtract. Comparing some of their shapes may suggest an idea that some of them would be created by a fairly complex set of vortex rings, moving over the ground in different directions, whose parts are displayed at certain moments in the structure of the crop.
Kunaweza hoja juu ya pete kadhaa katika ukaribu wa karibu, senta na eccentric, mashtaka yao inaweza kuongeza na Ondoa. Kulinganisha baadhi ya maumbo yao inaweza kupendekeza wazo la baadhi ya Them Hiyo Je Kuwa zilizoundwa na kuweka haki ya tata wa pete Vortex, kusonga juu ya ardhi katika pande mbalimbali tofauti, sehemu ni ya nani ka katika muda mfupi Baadhi katika muundo wa mazao.