Amaketanga okudonsa ikhebula, avame ukubizwa ngokuthi amaketanga amandla noma izixhumanisi zokuhudula, Idlala iqhaza elibalulekile ezimbonini zokukhiqiza kanye nemishini, ikakhulukazi njengezisekelo ezibalulekile zamathuluzi emishini. Lawa maketanga aklanyelwe ukuphatha nokuvikela izintambo eziguquguqukayo, amapayipi, nezinye izingxenye ezihambayo ngaphakathi kwemishini, ukuqinisekisa ukusebenza okubushelelezi nokunciphisa ukugqoka nokukhala. Uma kuziwa emsebenzini osebenzayo