 of the secondary insult the procedure for the primary insult is repeated. 00 g of aqueous saline solution (0.0% by weight) and 00 filter papers are used. For the rewet of the tertiary and following insults the procedure for the primary insult is repeated. For each of the following insults 0rd, 0th and 0th 00 g of aqueous saline solution (0.0% by weight) and 00, 00 and 00 filter papers respectively are used. 