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

Zonke inqanawa ezingekho ekulobeni, umondlalo wekhephu, okanye ukungenela abantywili mazisuke endleleni yezi zisebenzayo.
All vessels not engaged in fishing, skiing or attending divers must keep clear of those which are so occupied, or occupied with nets or trawling lines.

Inqwelo yembumbulu iyatshintshwa.
The caisson is then replaced.

Uhlobo lweshumi elinesibini lwelingezonkwili injongo yesininzi sezikhitshane zemfazwe zafika ekupheleni kweminyaka ye1950 nasekuqaleni koo1960.
The Type 12 anti-submarine general purpose frigates arrived in the late 1950s and the beginning of the 1960s.