How to distinguish between a mixed house, a brick house and a concrete house?

A concrete house is a building, commercial building or other solid structure with more than 6 floors of frame structure.

Brick houses are 2-story or less brick houses without reinforced concrete pillars and beams, usually single-story houses.

Sheds are buildings with a shed roof and no or only simple walls around them, and are labeled "shed" on the map.

Simple house, the map note "simple". Refers to the use of gray brick, bamboo, broomcorn millet straw, a simple one-story house; when a single-story brick house is small.

Stone house, refers to the building's exterior walls are mostly constructed with stone or stone note "stone".

There are also large factory buildings framed in steel, etc.

Mixed houses, refers to 2 to 6 floors (including 6 floors), reinforced concrete as the beams and columns of the brick structure of the house.

The wooden house refers to the building with wooden columns as the load-bearing structure of the house; when the external walls of this building are constructed with brick or concrete should also be injected with wood.

Earth house means an old-fashioned earthen house built with clay tamped and then walled.