Imigca yerabha ye-ASV yenziwe ngezinto zerabha ezisebenzayo kakhulu, ezinokumelana nokuguguleka okungcono kunye nokumelana nokukrazula, nto leyo eyenza ukuba zilungele ukusetyenziswa kwiindawo ezahlukeneyo ezintsonkothileyo.
Imizila yerabha ye-ASV yenziwe ngezinto zerabha ezisebenzayo kakhulu, ezinokumelana nokuguguleka okungcono kunye nokumelana nokukrazula, nto leyo eyenza ukuba zifaneleke ukusetyenziswa kwiindawo ezahlukeneyo ezintsonkothileyo. Ngenxa yezinto zayo ezithambileyo, imizila yenza ingxolo encinci kunye nokungcangcazela ngexesha lokusebenza, okubangela umonakalo omncinci emhlabeni, nto leyo eyenza ukuba zifaneleke ukusetyenziswa engceni, kwiigadi, nakwezinye iindawo ezinobuthathaka.
Ngenxa yezinto zayo ezithambileyo, imizila yenza ingxolo encinci kunye nokungcangcazela ngexesha lokusebenza, okubangela umonakalo omncinci emhlabeni, nto leyo eyenza ukuba ifaneleke ukusetyenziswa engceni, kwiigadi nakwezinye iindawo ezinobuthathaka.