the act of constructing something | an apparatus or model for representing the solar systems |
the commercial activity involved in repairing old structures or constructing new ones | an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome |
a structure that has a roof and walls and stands more or less permanently in one place | a building housing an instrument for projecting the positions of the planets onto a domed ceiling |
the occupants of a building | |