A high-pressure fuel injection pipe has a connecting head portion increased in diameter by buckling molding at the end of a thick and small-diameter metallic pipe. The method of the present invention comprises saving one or more content items and one or more associated keywords as specified by a user. The correct light source and the correct hole are respect to the correct picture side of the body. In other words, the inventive technology enables each user to receive very targeted, localized and personalized advertising materials.