Putanga 1: Ka āhei te Ethenone ki te whakakotahi i a ia anō. Ko te whakapā ki te waikura hauwai ka arahi ki te tauhohenga pupuhi. Ka taea e ia te hanga i tētahi ranunga pupuhi ki te hau. Putanga 2: Ka āhei te Ethenon ki te polymerize āta, te whakapā ki te waikawa hāora ka arahi ki te tauhohenga pahū, ā, ka taea te hanga i tētahi ranunga pahū ki te hau. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
Āe, āe