(3) The employer shall, as regard to the machines, etc., set forth in paragraph (1), always keep them properly maintained, and air respirators, etc. cleanly.〔【出典】日本法令外国語訳データベースシステム 〕
一 空気呼吸器又は酸素呼吸器(第三項において「空気呼吸器等」という。)
(i) Air respirators or oxygen respirators (referred to as "air respirators, etc." in paragraph (3)).〔【出典】日本法令外国語訳データベースシステム 〕
The employer shall ensure that the concentration of carbonic dioxide gas in the air is kept at 1.5% or less in workshop in pits. However, this shall not apply to lifesaving or danger prevention work using air respirators, oxygen respirators or hose masks.〔【出典】日本法令外国語訳データベースシステム 〕