Ka tapahia, ka tapahia hoki ngā taura porowhita me ngā taura papatahi. Ka tapahia hoki ngā taura rorohiko, ngā taura hiko me te taura kaikorero, ngā waea pere me ngā waea raraunga/waea waea takirua miro. Ko te hohonutanga tapahi mōrahi ko te 1mm.
