Ko ngā pūtini toto iti he wāhanga matua mō te haumātauranga me te whakapau eke o tētahi punaha hiko. E tuku ana i ngā awenga hiko pakaru ki te wāhi noa pea hei whakamarie i ngā pūtini toto me ngā tāngata e noho ana i te tāone. Ki a Zhejiang Greenpower Electric Co., Ltd, ka whakamahia e tātou ngā hangarau hōu hei hanga i ngā pūtini toto iti haumātauranga, whakapau eke, me te hākinakina mō te wāhi katoa. Kua kimihia e tā tātou mahi te kounga i ngā whakaaetanga e mōhiotia ana ā-ao. Mō tētahi kaupapa ā-ao, ka mārama, ka urupare hoki mātou ki ngā uara o ngā ahurea rerekē mō ngā whakaurunga whakaaro me te whai hua.