The present invention provides a fingerprint recognition apparatus and a fingerprint recognition method adapted for the apparatus. The GPS recorder has a GPS casing that encloses one part of the display screen and only a display area of the display screen is exposed. A further subject of the present of invention is a fusion polypeptide called polyHis-enterokinase which increases expression of esterases and lipases when fused to the N-terminal of the esterase or lipase. The bottom face includes a combination groove for fixing the liquid crystal display device to an external member. An post-combustion oxidant is injected into the combustion products in the injection zone.