Interviewer instructions
B.4 The construction material of the outer walls of the building
a) Stone, brick: if the house is built of stone or brick.
b) Ferroconcrete (panel, monolith), block: if the house is built of the blocks of ferroconcrete or concrete blocks and panels, as well as in cases when the wooden house is faced with bricks.
c) Wood: if the walls of the house are made of wood (quadrilateral or roughhewed) or made of the whole wooden panels as well as in cases when the wooden house is faced by bricks.
d) Comprising different materials: if the first floor of the house (the part of the house) is made of brick or stone and the second floor is made of wood. If the walls of the house are made of several types of material then they must be included in the type of the material which prevails in the building.
e) Other: in the absence of the construction materials mentioned above.