 The hemmema 's design was very similar to that of the turuma . The primary difference was that the turuma 's oarsmen sat on the weather deck above the guns , whereas the hemmema 's oarsmen sat on the gundeck . The later hemmemas were considerably larger , more heavily armed , and of a more robust construction . Glete has described them as variations on the same type , especially when considering the pre @-@ war designs . 
 The hemmema <a href='null_genetive' title='1'><mark>'s</mark></a>design was very similar to that of the turuma . The primary difference was that the turuma <a href='null_genetive' title='2'><mark>'s</mark></a>oarsmen sat on the weather deck above the guns , whereas the hemmema <a href='null_genetive' title='3'><mark>'s</mark></a>oarsmen sat on the gundeck . The later hemmemas <a href='uninflect' title='4'><mark>were</mark></a> considerably larger , more heavily armed , and of a more robust construction . Glete <a href='been_done' title='5'><mark>has</mark></a> described them as variations on the same type , especially when considering the pre @-@ war designs . 
The hemmema  design was very similar to that of the turuma . The primary difference was that da turuma  oarsmen sat on the weather deck above the guns , whereas tdahemmema  oarsmen sat on the gundeck . The later hemmemas was considerably larger , more heavily armed , and of a more robust construction . Glete done described them as variations on the same type , especially when considering the pre @-@ war designs .