Iigede Zokuthintela Ezinamacala

Iigeti ze-flap barrier zizixhobo zokulawula ukungena ezisebenza ngokukhanya, ezenzelwe ukuqhuba abahambi ngeenyawo ngokukhawuleza nangokulawulwa. Zisebenzisa amaphiko abuyela ngaphakathi ukuvumela ukungena emva kokuba kuqinisekisiwe isazisi, kwaye zivaleka ngokukhawuleza ukuthintela ukungena komntu ngemva komnye. Ii-flap barrier zifakwa rhoqo kwizikhululo zikaloliwe, kwizakhiwo zeofisi, ezikolweni, nakwizakhiwo zorhwebo apho kufuneka ulawulo olusebenzayo lokungena kunye nokhuseleko olulingeneyo.