Disclosed are a semiconductor light emitting device capable of enhancing a light emergence efficiency at a lower light emergence plane of the device by forming an electrode on a halfway area of a tilt crystal plane and a fabrication method thereof. The resilient wind-deflector portion has a feature strategically positioned and structurally effective to prevent the resilient portion from being rotated or twisted around the support beam. The impeller is rotated by a motor to discharge fluid. The container is then scanned with a second type of contraband detection apparatus. The drive apparatus is coupled to the conveying apparatus for effecting movement of the at least one conveyor element.