It can be either, depending on how it's being used. If it has a noun as its object, it is a preposition. The horse fell over. (adverb) The horse fell over the cliff. (preposition)
Does is a verb, not an adverb.
Adverb
It can be an adverb or an adjective.
adverb
The plane is in the hangar.
the pilot flew the plane into the hangar.
Hangars is the plural of hangar.
The aircraft is in the hangar for repairs.
It can be either, depending on how it's being used. If it has a noun as its object, it is a preposition. The horse fell over. (adverb) The horse fell over the cliff. (preposition)
Most airplanes are in the hangar.
Riverside Hangar was created in 1942.
A hangar is a large structure, similar to a garage, in which aircraft are kept.
Hangar is usually used to house aircrafts.
How big is the hangar, how small are the airplanes.
An aircraft is typically housed in a hangar.
This would be known as a "hangar."