kaiwhakarato peita tohu huarahi
Ko ngā kaihautū whakamātai tohu ara he wāhi matua nui ki te haumāra o te ara me te whanaketanga aratohu mā te tuku i ngā rama kounga, roa-ora e āhua ana mō ngā tohu ara. E tuku ana ēnei kaihautū i tētahi tauira whānui hua e ōrite ana ki ngā paerewa haumāra ā-ao me ngā whakaritenga. Ko ngā rama kei reira ka hangaia mā ngā hangarau matataki kia pātata ai te kitea, te herekenga ki te rangi, me te roa o te ora. Ko ngā rama tohu ara hōu nei he aha atu i te pānga maroke, te pānga anuanu hoki, me te herekenga pai ki ngā mata e rua, tae atu ki te asfata, te konikete, me ētahi atu matapae ara. Ka hangaia ngā hua kia taea ai te herekenga ki te nuinga o ngā rererangi, ngā tikanga āhuarangi tino kino, me te noho pūmahara ki ngā rāwhiti motuka. E tuku ana ētahi kaihautū anō i ngā kōwhiringa e manako ana ki te taiao, tae atu ki ngā rama pāpaku-VOC me ngā rama pāpaku-wai e ōrite ana ki ngā ture taiao o nāianei. Ko ngā kaihautū e tuku ana i ngā rama thermoplastic me ngā rama makariri, e rua e tika ana mō ngā whakamahinga rerekē, ngā tikanga āhuarangi hoki. Anō hea, e tuku ana rātou i te tautoko hangarau, te arataki whakamahi, me ngā ratonga whakatakotoranga tae ritenga kia ōrite ki ngā here o te kaupapa.