raw arsenic 中文意思是什麼
raw arsenic
解釋
粗砷-
Dangerous trades as defined in the factories and industrial undertakings ordinance ( cap. 59 ) include boiler chipping ; manufacture of glass from basic raw materials ; manufacturing processes involving the use of arsenic, lead, manganese, mercury and phosphorus ; vermillion manufacture ; chromium plating ; machining or grinding of celluloid or magnesium ; and manufacture of hydrochloric, nitric or sulphuric acids, etc
根據《工廠及工業經營條例》 ，危險行業包括鏟修鍋爐，以基本原料製造玻璃，使用砷、鉛、錳、汞、磷的製造工序，製造硃砂，鍍鉻，切削或研磨賽璐珞或鎂，及製造鹽酸、硝酸或硫酸等。
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