Arsenic trioxide is the first products of arsenic smelters. This oxide has immediate apps in sector—e.g., being a glass decolorizing agent. Other commercially beneficial natural and inorganic arsenic derivatives are ready from it. A range of apps exploit arsenic's toxicity, including the use in the oxide like a wood preservative. https://arsenic-lll-oxide26936.oneworldwiki.com/6577751/a_secret_weapon_for_arsenic_lll_oxide