1. Ngā rauemi mata: He mata parakore katoa ngā rauemi, 99.997% te nui, ka whakaaturia e mātou ngā taipitopito ki te whare putunga o tā mātou wheketere. He mea tino nui tēnei, nā te mea he maha ngā wheketere e whakamahi ana i te mata hangarua, ko ngā koranu poke i roto ka kore e pumau te kounga o te pākahiko. Ina koa ko te arsenic...