The first diagram illustrates the process of cement manufacture, and the second diagram shows the materials that go into the production of concrete.

The first diagram illustrates the process of cement manufacture, and the second diagram shows the materials that go into the production of concrete.
It is clear that there are five stages in the production of cement, beginning with the input of raw materials and ending with bags of the finished product. To produce concrete, four different materials are mixed together.
At the first stage in the production of cement, limestone and clay are crushed to form a powder. This powder is then mixed before it passes into a rotating heater. After heating, the resulting mixture is ground, and cement is produced. Finally, the cement is packaged in large bags.
Cement is one of the four raw materials that are used in the production of concrete, along with gravel, sand and water. To be exact, concrete consists of 50% gravel, 25% sand, 15% cement and 10% water. All four materials are blended together in a rotating machine called a concrete mixer.
The
first
diagram illustrates the process of cement manufacture, and the second diagram
shows
the materials that go into the production of concrete.

It is
clear
that there are five stages in the production of cement, beginning with the input of raw materials and ending with bags of the finished product. To produce concrete, four
different
materials
are mixed
together.

At the
first
stage in the production of cement, limestone and clay
are crushed
to form a powder. This powder is then mixed
before
it passes into a rotating heater. After heating, the resulting mixture
is ground
, and cement
is produced
.
Finally
, the cement
is packaged
in large bags.

Cement is one of the four raw materials that are
used
in the production of concrete, along with gravel, sand and water. To be exact, concrete consists of 50% gravel, 25% sand, 15% cement and 10% water. All four materials
are blended
together in a rotating machine called a concrete mixer.

Other IELTS writings:

  1. These two diagrams illustrate the different steps and procedures during cement production as well as the process of making concrete from cement and other ingredients to be used in construction.
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