An extraction bag is disclosed that has a body that can be squeezed using hanging threads. The white LED includes a light source device and a phosphor containing light emitting nanoparticles and an inorganic phosphor which emit white light by being excited by the light source. Through the use of the present invention, both square-hole and round-hole rack configurations can be accommodated with one device. The shape memory feature provides a monofold shape in the tube member when in a first state, and a radially expanded shape in the tube member in a second state upon application of an expansion force. The invention further includes a printing machine suitable for practicing the process. The illuminating range of some of the plurality of beams is made smaller than the illuminating range of the other beams.