An electrochemical test sensor is adapted to measure glucose and correct for the oxygen effect in a fluid sample. The method includes a step of selecting an article from a set of articles comprising different types of articles. A photoresist is formed over the antireflection film 62. Left and right connecting rods are attached to the left and right treadles, having far ends on which rolls are set which drive guided rods to enter the left and right oil cylinders. One of a system for supplying a reaction gas to only a part of the reaction gas passage, and a system for supplying a reaction gas to the entire reaction gas passage is switchably selected. The mask further includes separate sealing means, not connected to the bag, to seal the bag around the neck, enabling adjustment of the bag over the head to reduce the free space inside the hood and to adjust the exhalation valve against the lips.