A process for preparing 5-methylisoxazole-4-carboxylic–anilide comprising: reacting ethylacetoacetate, triethylorthoformate, and acetic anhydride at a temperature of from about 75 C. The hammock is covered with a flexible material so that the hammock is enclosed. The conveyance unit is configured and arranged to convey, as a group of packaged objects, the packaged objects which are overlaid on the adjacent packaged objects at the collection unit. Methods for detecting embedded data from video objects are also disclosed. Specifically, the successive refresh operations are performed by alternately activating word lines in the respective regions so as to ensure a sufficiently long precharge period.