An apparatus (100, 1000), comprising: a goggle (200), including a goggle frame (201) and a protective lens (202) installed in the goggle frame (201)； a face mask (300) releasably connected to the goggle (200)； a detachable pivot-connection structure provided between two lateral sides of the goggle frame (201) and the face mask (300), the detachable pivot-connection structure comprising a pivoting axis substantially parallel to a lateral direction of the goggle frame (201)； and a detachable locking structure provided between the goggle frame (210) and the face mask (300), the detachable pivot-connection structure configured to cooperate with the detachable pivot-connection structure to selectively lock the goggle frame (210) and the face mask (300) together.
