olemus
Wiktionary:
a room, especially one which is not particularly large, used for manufacturing or other light industrial work

ISO 6707:
hoone(osa), mis on mingi käsi- või mehaanilise tegevuse tööala
=
building or space within a building that serves as a work space for a particular manual or mechanical activity

ülevaateid
https://en.wikipedia.org/wiki/Workshop