The structure of a house

Match each pair, and then click the Check button.
The structures below the surface of the
ground that support a building
The baseplate where the solid wall ele-
ments are positioned
A long, thick piece of wood, metal,
or concrete, especially used to support
weight in a building or other structure.
A long, thick piece of wood, metal, or
concrete, used in buildings to support a
floor or ceiling. They are small beams.
A strong column made of stone, metal,
or wood that supports part of a build-
ing
A tall, circular and vertical stone post,
used as a support for a roof