(2) Aluminum alloy plate  (3) Stainless steel plate  (4) Any other material  Material of the handle  (1) Synthetic resin  (2) Any other material  Capacity  (1) Less than 4 liters  (2) 4 liters or more but less than 7 liters  (3) 7 liters or more  Maximum working  pressure  (1) Less than 0.09 megapascals  (2) 0.09 megapascals or more but less  than 0.11 megapascals  (3) 0.11 megapascals or more  Lid type  (1) Slide lid  (2) Over lid  (3) Drop lid  (4) Any other lid  Handle type  (1) Single handle  (2) Double handle  (3) Any other handle  Handle attaching  method  (1) Handle riveted to the cooker  (2) Handle bolted to the cooker  (3) Handle welded to the cooker  (4) Handle combined with the cooker  (5) Detachable handle  (6) Any other handle  Mechanism of the  pressure-adjusting  device  (1) Weight type  (2) Spring type  (3) Any other type  Mechanism of the  safety device  (1) Spring type  (2) Rubber bush type  (3) Chip type  (4) Thermal fuse type  (5) Any other type  2. Riding  Helmets  Use  (1) Helmet for motorcycles with a total  emission of 0.125 liters or less or for  mopeds  (2) Helmet for other uses  Shape of the helmet  body  (1) Half helmet  (2) Three-quarter helmet  (3) Open face helmet  (4) Full face helmet  Material of the helmet  body  (1) Fiber-reinforced plastic  (2) Acrylonitrile-butadiene-styrene  (ABS) resin  (3) Polycarbonate  (4) Any other material  Material of the impact  absorbing liner  (1) Styrene foam  (2) Any other material  46 