Ka whakamahia te huinga waea pekepeke whakamahana hei karo i ngā wāhi mahi i te wā e whakahou ana i ngā raina me ngā whakatikatika rangitahi, ngā whakatikatika ohorere rānei.
1. E tutuki ana ki: te paerewa ASTM F2321
2. I te wā e tāuta ana, e tango ana hoki i ngā rawhi pekepeke, me mau he whakamarumaru rapa tika hei whakakore i te aukati.