There was Near Miss report in TET office,
Staff took the light off by themselves because the fluorescence was broken (blink). While he was pulling the mounted louver of right side he did not know that another side was not the screw stuck between the frame and the mounted louver. So, the mounted louver fell and hit his head but first aid treatment was not required.
So, Please aware about SAFETY , ask ADS or Sun Tower Staff to attend and investigate.