2. Sand which is mostly found from the pieces of
mountain. Fine aggregates are mostly used. For the
use of sand the shrinkage will stop.
INTRODUCTION
3. There are three type of sand .
Pit sand
River sand
Sea sand
Types of sand.
4. Pit sand is mostly found in the earth .This sand has strong
capacity .This sand is good for constriction. This type of
sand is found in the laspoora side.
River sand is mostly found in the side of the river .this sand
are thin .This sand is also good for constriction. In the thick
sand the are mixed from clay and dust. if you found thick
sand in the river side you must clean it before use it.
Sea sand is mostly found in the sea. This types of sand are
like crucial shape. IN this sand mostly alkaline are mixed
.before used it first clean it the use it for the construction.
Pit sand ,River sand and sea sand.
5. The sand will be thin .
The sand is clean from clay and dust.
The sand will be strong .
Qualities of good sand .
6. In the civil work the sand has an important role. We
are mostly use sand in the work of civil. The thick sand
is called the hero sand. This is the type of pit sand.
The middle sand are thick it is also found in river side.
For the use of plaster we make a mortar which is
make from the thick sand. The mortar which is make
form sand will be clean form the dust and clay.
Uses of sand.
