Installation of hangars, loading and unloading, caravans, barracks, pallets Installation of panels + cameras + lighting poles, basket tray Riyadh + Al-Muzahmiyah _ Dhurma _ Dirab _ Nasaah _ Al-Mashael _ Al-Burah _ Shaqra _ Al-Jallah _ Tabrak _ Al-Rayn _ Al-Quwayiyah