Je was op zoek naar: demonstrated (Engels - Xhosa)

where possible, faults should be demonstrated practically.
apho kufaneleyo, iziphene okanye iimpazamo maziboniswe ngokwenziwa kubonakale.

the desirability of this is demonstrated by the obviously increasing popularity of holiday cruises.
umnqweno wokubonisa nokulibala oluninzi lojikelezo ngekhufu

in the falklands war, the sheffield demonstrated how vulnerable the use of aluminium for their topsides has made these ships.
kwimfazwe yefalklands , isheffield yabonisa ukubanako ukuhlasela nokwenzakalisa kokusetyenziswa kwesinyithi kwicala eliphezulu layo ekwenzeni ezinqanawa .

a marline spike with a long tapered point should be used to open the strands; the correct way to use it is best demonstrated by an instructor, but proficiency will not come without practice.
isikhonkwane semarlin enotsobhiso olude olutsolo ingasetyenziswa ekuvuleni imisonto, indlela elungileyo yokuyisebenzisa iboniswa kakuhle ngumqeqeshi, kodwa ubugcisa ayinakuphuma ngaphandle kokufunda.

still there was no handy portable level until 1666, the french savant, thevenot demonstrated that a bubble of air trapped in liquid in a closed tube would stand at the centre when the tube lay level but moved sensitively away at the slightest slope.
kodwa yeyingekabikho into yobutyaba ephathekayo de yangu1666, unocanda womfrentshi, uthevenol wabonakalisa ukuba iqampuza lomoya eligcinwe kulwelo kwityhubu evaliweyo, luhlala embindini xa ityhubu ingqengqe mthebelele kodwa iyashukuma xa uyithobile okanye uyinyusa.