Was heißt »betriebsfremd« auf Englisch?

Das Adjektiv »betriebsfremd« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Englische Beispielsätze

The only sound we could hear was the wind outside.
Please put out that stinking pipe or go outside!
It was Friday, 15 March when the doorbell suddenly rang and two men stood outside Mary's front door.
I saw him pacing up and down the pavement outside his house with his phone pressed to his ear.
We stopped at a pub in a village outside town.
The weather outside is awful. I think we'd better stay at home today.
There's a kitty outside.
A charcoal-grey car was waiting in the car park outside the gate.
Her parents wanted to shield her from the outside world.
When you come in from outside, take your shoes off, otherwise you'll make my kitchen dirty.
A long queue had formed outside the Ladies.
A long queue had formed outside the women's toilets.
The cemeteries are outside the city.
We're not going outside until it stops raining.
We cannot play outside because it is raining.
It's almost as hot as summer outside.
Tom parked his car in one of the empty parking spaces outside a bookshop.
Someone found your mobile phone in the street outside.
Is it sunny outside?
It's cold outside. Wrap up warm.