Ukubekwa uphawu ubuchwepheshe obujwayelekile obudingekayo kuzo zonke izimboni, hhayi kuphela ukwakhiwa, i-petrochemical, ukwakha umkhumbi, ukukhiqizwa kwemishini, amandla, ezokuthutha, ukuvikelwa kwemvelo kanye nezinye izimboni azikwazi ukwenza ngaphandle kokubeka uphawu ubuchwepheshe I-Aviation, i-aerospace kanye nezinye izimboni ezisezingeni eliphezulu...
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