Iibhedi zesibhedlele sesinye sezona zixhobo zibalulekileyo zonyango kule nkulungwane yama-20.Ngelixa abantu abaninzi bengayi kucinga ngeebhedi zesibhedlele njengento eqanjiweyo, ezi zixhobo ziye zavela njengezona zinto ziluncedo neziqhelekileyo kukhathalelo lwempilo.I-3-segment yokuqala, iibhedi ezilungelelanisiweyo zesibhedlele zaqanjwa ekuqaleni kwenkulungwane yama-20 ngugqirha wotyando wase-Indiana uGqr. Willis Dew Gatch.Ngelixa "iibhedi zeGatch" zangethuba zahlengahlengiswa ngekhrenki yesandla, uninzi lweebhedi zale mihla ezithengiswayo zezombane.