The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The illustrations depict the

cement

production steps and types of equipment used and how

this

material helps with concrete production for structural purposes as

cement

is one of the ingredients of concrete with few other substances.

Firstly

, making

cement

depends on two main ingredients, Limestone and Clay. They are mixed together in a crushing mechanism in the first step.

Next,

the crushed powder goes through a mixing pipe,

this

pipe leads to a rotating heating system, increasing the temperature with a direct heat source. In the final level, the substance is ground in order to be properly packaged for distribution. Concrete ,

on the other hand

, requires fewer steps, and only needs to be added a few more ingredients. Gravel which takes up half of the total, is the most dominating. Second on the list is sand which makes up a quarter of the mixture. Ultimately, the least percentage of water, with a mere one-tenth of share, with the remaining amount filled with

Cement

all of which is put together in a mixer.=score my ielts writing task 1 from 1 to 9 in each criteria and be strict and unforgiving