Ukukhethwa kwezilayidi kufanele kuhambisane nezinhlobo zezinto ezizophakanyiswa, izimo zezemvelo kanye nezidingo ezithile.Izilayidi kufanele zihlolwe ngokuqinile ngaphambi kokusetshenziswa, futhi kungasetshenziswa kuphela lezo ezihlangabezana nombala wezokuphepha. Uma noma yimaphi amasilayidi alimele kutholakala ukuthi awasasebenziseki, kufanele asulwe.Uma uphakamisa, amaslayidi akhethiwe kufanele abe nobude obufanayo.Isihlibhi asikwazi ukweqa umthamo waso ophakanyisiwe wokuphakamisa, futhi indwayimane ayikwazi ukweqa umthwalo wokusebenza ophephile.
