Symbols and graphics Q7

Q.
Sketch the followings:-

i) Five (5) symbols of building materials
ii) Five (5) graphical symbols for building components
iii) Plan for pitched roof
iv) Section of a solid ground floor

(25 marks, 2012 Q7)

A.
i) Symbols of building materials:

ii) Symbols of building components.

iii) Plan of pitched roof.
iv) Section of a solid ground floor.

Elevation of solid ground

Ref:
Various searches from Google Image.