Underfoot is the deck and overhead is the deck head; the landsman's terms of 'floor' and 'ceiling' are not used because in a ship each describes something quite different, as is explained in the section headed 'Elementary Ship Construction' (page 63) .
Ngaphantsi kwenyawo yidekhi kwaye ngaphezu kwentloko yintloko yedekhi; amagama asemhlabeni 'umgangatho' kunye 'nesilingi' akasetyenziswa kuba enqanaweni la magama athetha into eyahluke kakhulu, njengokuba kucaciswa kwicandelo elithi 'Ulwakhiwo lweNqanawa oluLula' (iphepha 63) .