IELTS TASK 1 (Diagrama) - The Process of Cement and Concrete Production.

Given is a diagram illustrating the different phases with the special machine in the process of producing cement and the making concrete.

It is clear that there are five main stages including packaging in the full operation of the cement making, while concrete production involves only one stage.

Beginning at the crusher stage of the cement production, we can see that limestone and clay crumbled together to make a powder. At the second stage, the powder hits specially-designed section of the equipment, which mixes. The next stage, the mixture goes to heat in rotating heater section through the pipe. At the next stage, the warmed combination is grinded thus produced cement. Finally, the cement is packed into bags.

With regard to the concrete production, there is only one particular equipment mixed four different elements to create concrete at the same time. The concrete is composed of 15% cement, 10% water, 25% sand and a half of the mixture is gravel.

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There are two diagrams and better you introduce both of them in the intro.
I like the structure you have followed. However, I like if you had a little bit more details in the body paras.
Overall, this is written very well. Try some different topics under this task because this is not a very common type of question.

You could try this : The procedures for how the two equipments is used to produce cement and made concrete for building purposes are shown on two diagrams.