1. Ngokuthuthukiswa kwemboni yemishini yokukhangisa, kunezinhlobo eziningi zemishini yokukhangisa.
2. Kukhona imisebenzi eminingi, futhi umshini wokukhangisa ungaphinda uhlanganyele nabantu nemishini ukuze uthole ulwazi oluningi.
3. Ukuguquguquka komshini wokukhangisa kuphakeme kakhulu, futhi kulula kakhulu ukuhambisa isikhundla noma ukushintsha isiqondiso somshini wokukhangisa.

2022.04.06