A memory cell array includes a normal memory cell array divided into a plurality of memory blocks, a row redundant circuit and a column redundant circuit. At least one of the anode-side gas distributor structure and the cathode-side gas distributor structure is divided into at least a first field and a second field, each of the first and second fields having an entry port and an exit port for the reactants. A strap and holding posts located in each of the half cylinders keep one or more shoes in place during drying. Each document or data object is indexed and stored in a data warehouse in accordance with the header number. 0 mass % of at least one of the members selected from hydroxy acids, 0-0.