Ngokwenjongo kunye nethuba lokusetyenziswa, sineendidi ezahlukeneyo kunye namagama ezibane eziphezulu.Umzekelo, izibane ze-wharf zibizwa ngokuba yi-wharf high pole lights, kwaye ezo zisetyenziswa kwizikwere zibizwa ngokuba zii-square high pole lights.Ibala lebhola ekhatywayo ukukhanya kwemasti ephezulu, isibane semasti ephezulu, isikhululo seenqwelomoya...
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