заводом

заводом

The word "заводом" in Russian is the instrumental case of "завод" and means "by/with a factory" or "using a factory".

Here, 'завода' is the genitive case form of 'завод', showing possession or relation in terms of movement related to it.

Мы прошли мимо завода по дороге домой.

We walked past the factory on our way home.

Here, 'заводом' is the instrumental case of 'завод', indicating the agent by which the action was performed.

Этот мост был построен заводом.

This bridge was built by the factory.

Here, 'заводом' might be used contextually to refer to the factory in an unusual literary manner, aligning with the instrumental case, though the standard phrasing would differ.

Он работал заводом в этом городе.

He worked at the factory in this city.