Inproduction, ka fatory uku sepcial noonoo prodtaction kaiapuni a me ka hoʻohana 'ana i ka ikehu hou.E lawe i ka "'ōmaʻomaʻo honua" i alakaʻi hana.
ʻO nā huahana nui ʻo Lead Nitrate, Zinc Sulphate, Sodium Metabisulphite, a me Sodium Persulphate.
Ko makou Keena
