Ko te tikanga whakahaere o tētahi mea e whakawhiriwhiri ana ki ngā whakataurite ki ngā paerewa: ko te whakamāramatanga mahinga o te papatipu"" i te mutunga ka whakawhiriwhiri ki te whakamahinga o tētahi mahi whakawhitiwhiti, pēnei i tētahi kirokaramu o te platinum-iridium e puritia ana i tētahi taiwhanga i France."