#4 Ukulawula izinambuzane kwakudinga inja ekwazi ukuzingela ngempumelelo, futhi isephaketheni.
Kwakudingeka inja encane yokuzingela ukuze ilwe emigodini, enesibindi, eqinile, enesivinini esikhulu sokugijima, ukuze ihambisane nezinja kanye nabazingeli abagibele amahhashi. Kufanele ihlanganyele kahle nezinye izilwane zasendle kanye nezinye izilwane zasemapulazini.