Whakamutua te rerenga e whai ake nei ki te kōwhiringa pai rawa: Hei tango i te waituhi mai i te pepa parahi ki te he koe i a koe e whakapiri ana i te tohu ki runga, ka taea e koe  Ngā kōwhiringa: - Whakamahia te whakapiri tino - Whakamahia te acetone  Whakautu:
Whakamahia te acetone