(iii) The rear end or sides of its body shall be tted with a closely tting metal door or doors, the interior of which shall also be of non-corrodible metal and be as far as possible free of projections and ledges.
(iii) Umva kunye namacala omzimba wayo kufuneka ufakelwe ucango/amacango esinyithi athe nca, umphakathi wawo kufuneka usisinyithi esingadlekiyo kwaye abe kude kwizinto ezithe phuhlu kwanakwimingqameko .