The phrasal verb "be mounted" is correct and usable in written English.
You can use the phrasal verb "be mounted" to mean that something is affixed, placed, or installed in a desired spot. Example sentence: The security camera needs to be mounted above the entrance to the office.
Dictionary
be mounted
verb
To move upwards. physical
Exact(55)
ground stations can be mounted anywhere.
Seats will be mounted on movable wagons.
Picket lines will be mounted at stations including Paddington.
Initially it was hoped to be mounted there.
On sloping roofs, the panels could be mounted flat.
As a substitute, an exhibition from the permanent collection will be mounted, she said.
CD and DVD drives, for example, must be mounted vertically, which Apple says limits their speed.
It can be mounted on a ceiling or placed on a floor stand.
Keypads for some whole-house audio and entertainment systems can be mounted in weatherproof electrical boxes.
For instance, the original plants were said to be mounted on flatbed trailers with reinforced floors.
The $49.99 Sony Kitchen Clock Radio, for example, can be mounted under a kitchen cabinet.
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