1. He maaku, kore-paitini, kahore he poke, kahore he microorganisms, me te whakapumau i te kounga o te wai 2. He atete ki te waikura matū, te waikura o te oneone me te rauropi moana, te aukati cathodic disbondment. he rite te hononga ki te galv noa...
Pānuitia atu