In some shipyards the tideway (river or canal) is not sufficiently broad to allow this and the ship has to be launched sideways.
Kwezinye iindawe zokwakhela inqanawe, ukuzala nokurhoxa kwamanzi (umlambo okanye umjeto wamanzi), ayikho banzi ngokwaneleyo ukuvumelana noku kwaye ke inqanawa kufuneka ingeniswe bucala.