Stages and equipment used in the cement-making process

IELTS Academic Writing Task 1 with answer.

You should spend about 20 minutes on this task.

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.

You should write at least 150 words.

Cement production and concrete production

Sample Answer :
The given diagrams show the cement making process and the type of equipments and materials used to produce the cement. It also shows how the cement is used to produce concrete.

According to the first pictorial, cement production is a complex process that involves lots of materials and numerous steps. First of all, limestone and clay are passed through a crasher and then the produced powder is send to a mixer. The mixer sends the powder through a rotating heater and the thus the raw cement is produced which is filtered in a grinder machine. The produced cement is then packed in bags.

The second graph describes how the cement is used for concrete production for the construction works. First, 15% cement, 10% water, 25% sand and 50% small stones (also called gravel) are mixed together inside a mixer machine and the rotation of this mixer machine creates the concrete which is later on used for constructions of building.