Assertion: mirror | /r/HasProperty | removed
Facets:
value: from the list
type: OTHER
value: temporarily
type: DEGREE
value: from the vacuum
type: LOCATION
Source sentences:
text: A protective overcoat is usually applied before the mirror is removed from the vacuum, because the coating otherwise begins to corrode as soon as it is exposed to oxygen and humidity in the air.
text: In some lasers the mirrors have to be easily replaced, in which case the mount needs to be designed to allow the mirror to be removed and replaced without losing correct alignment.
text: The frequency of touching increased to four to ten, with the mirror present, compared to only one when the mirror had been removed.
text: A mirror is temporarily removed from the list if it remains out of date for more than 24 hours.