Iphakethe lethu le-air-column elinezingilazi eziyisithupha lenzelwe ngokukhethekile ukuthumela ngezikhathi eziningi imikhiqizo esemabhodleleni njengewayini, isosi namafutha e-essential. Lolu hlelo oluhlanganisiwe lubamba amabhodlela ayisithupha endaweni eyodwa. Ligcina amabhodlela ehlukene futhi eqinile ngesikhathi sokuthutha,