Ukucutshungulwa kwentsimbi kubhekiselele kwinkqubo yokusika, ukugoba, ukunyathela, ukuwelda kunye nezinye iinkqubo zokuvelisa iinxalenye zetsimbi okanye iimveliso ezigqityiweyo zeemilo ezahlukeneyo ezinzima.Ukusetyenzwa kwesinyithi seshiti kuhlala kufanelekile kumatshini wokwenza, izixhobo zombane, iimoto, i-aerospace kunye ...
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