On the other hand sea voyages also suffer from disadvantages which are mainly associated with the more or less violent movements of the ship in a seaway, constant machinery noise, and vibration.
Kwelinye icala uhambo ngolwandle nalo luyabulaleka zizithintelo ezinxulunyaniswa nentshukumo ezinobubhovu-bhovu kwindlela yolwandle enqanaweni ingxolo eyenziwa ngumatshini ogxininisayo nongcangcazelo