According to ching reading, we know many materials in buildings, such as steel, stone, concrete wood.
Steel has many advantages, low cost, sturdiness and easy to change shape.
Stones are divided into many types, igneous rocks, metamorphic rocks, and sedimentary rocks. Used as a wall roof, etc.
Concrete is one of the most widely used materials, commonly known as cement, which needs to be used in conjunction with steel bars.
The wood is light and convenient to use, but it is necessary to prevent natural factors such as water and fire insects.