1.
the lowest part of the building
2.
part of a building that covers the space below
3.
to provide access to various space off building
4.
component that supports the roof by connecting it to the floor.
5.
steps that allow movement from one floor to another
6.
works as a floor and a ceiling
7.
fixed on the rafters or ceiling
8.
to prevent the sliding of purlins
9.
to provide intermediate support for the roof.
10.
formed at the intersection of two roof slopes
11.
sides of a roof to the horizontal plane
12.
to support the roof covering
