A bumper assembly including a support which is covered by a resilient shell part, the lower portion of the shell part being backed by foam material mounted on the support, with the upper portion of the shell being unsupported having a clearance zone therebehind. In the first scan conversion, input transform coefficients of a two-dimensional array are read out and output in accordance with scan order information ScanOrder, thereby outputting sorted one-dimensional array data. The cell is contacted with a second component of the binding reaction whereby the second component is internalized within the biological cell. Finally, the engine can also include a gas passage to provide communication between the crank chamber, the cam chamber, and the oil pan in order to allow passage of blow-by gas without substantial interference with the movement of the lubricating oil. The method includes opening a conducting access point cover, removing the conductor access point cover if necessary, and exposing insulated conductors to allow access thereto. In this structure, the hair removing apparatus is provided with a weight applying means for applying a force opposing to a force by which the body hair treatment head is oscillated by its own weight of the body hair treatment head around a center of rotation of the body hair treatment head.