Phambi kokuba kuvulwe umphezulu womaleko, sebenzisa umlawuli we-3m ukuvavanya ubungqongqo besiseko sokuyalela ngokweemfuno kunye neemfuno zoyilo; ngaphambi kokuba ubeke umaleko womphezulu, qinisekisa ukuba umphezulu wesiseko sokucoceka ucocekile kwaye awunazinto zidadayo kunye nokungcola Yenza umsebenzi olungileyo wokulinganisa kunye nokuphakamisa ukuqinisekisa inqanaba lesiseko kunye nebhentshi yenqanaba lomgca lichanekile
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