Kwindawo yobunjineli bombane, abaguquli badlala indima ebalulekileyo ekuhanjisweni nasekusasweni kwamandla ombane. Ngokwesiko, iziguquli ezizaliswe ngeoyile zisebenzisa iioyile zezimbiwa zokukhulisa kunye nokupholisa. Nangona kunjalo, ezi oyile zibangela inkxalabo yokusingqongileyo ngenxa yendalo yazo engapheliyo, enokukhokelela kumhlaba kunye nokungcoliswa kwamanzi kwimeko yokuvuza okanye ukuchitheka. Kulapho i-biod