He tino rere te wai rewa, he pai mō ngā whakakikorua pakitara angiangi me ngā whakakikorua uaua, he mata kanapa ngawari, he pakari taurite me te kaha pānga, he whakakikorua huringa tere, he pai te horapa o ngā tae, he iti te ahotea toenga, he tutuki i ngā whakaritenga RoHS.