Ko te miihini whakakii Piston he hua hangarau teitei i hangaia, i whakawhanakehia e to taatau kamupene.He pai mo nga rereke rereke o te kaihoko wai, ahua-wai me te whakapiri, ka whakamahia nuitia ki te whakakii i nga hua o te kai, te whakapaipai, te rongoa, te hinu, te ahumahi matū o ia ra, te horoi, te pesticide me te ahumahi matū.
Mena kei te pirangi koe ki a maatau hua, tirohia tenei ataata