📢 Q. Fill in the blanks: Airlock doors should be Self-closing and there must not be any hook or other device by which they could be held open. There should be minimum distance of at least_____ between both doors.
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Tuesday, January 31, 2023
Q. Fill in the blanks: Airlock doors should be Self-closing and there must not be any hook or other device by which they could be held open. There should be minimum distance of at least_____ between both doors.
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