There is provided a structure which can reduce the lifting workload and the building workload at a high place. The apparatus may include a bed frame, a lower plate having a container coupled thereto, an upper plate having an aperture defined therein, a mattress having an aperture defined therein, a mattress cover having an aperture defined therein and an absorbent pad having a bag coupled thereto. The hybrid vehicle has a first clutch disposed between the engine and motorgenerator. Also, a thin film comprising SiOxNy is formed under the active layer. The optical waveguide chip is formed by arranging an optical waveguide forming area on a substrate.