In this task, you are given a sentence or phrase in English. You must translate it to Xhosa in a way that is equivalent in terms of meaning and grammatically correct.

The most useful one was the signal to call a council of war.
Eyona nto ibalulekileyo enye yayingumqondiso wokubizwa kwebhunga lomlo.

In the technical field extensive changes and improvements are occurring which above all are reflected in the adoption of more rational solutions in the field of maritime transport.
Kumasimi obugcisa ngaphandle utshintsho nenkqubela ziyenzeka zona zibonakaliswa ekuthatheni ngokusemthethweni isisombululo esilingana kakhulu kumasimi ezithuthi zaselwandle

Earlier, in 1878, the British Government had purchased his masted turret-ship Neptune as well as his central-battery ship Superb.

Ekuqaleni ngo1878, urhulumente wamaBrithishi wayethenge inqanawa yakhe enemasti nesikhuselo senkanunu iNeptune kunye nenqanawa enebhethri esembindini iSuperb.