The diagrams illustrate the stages and equipment used in 
cement
 Use synonyms
production
 and concrete Use synonyms
production
. I will explain Use synonyms
this
 Linking Words
production
 process in the following paragraphs in detail.
Use synonyms
Overall
, the manufacturing of Linking Words
cement
 consists of various tools Use synonyms
such
 as a mixer, rotating heater, crusher and grinder Linking Words
whereas
 four materials are used for concrete Linking Words
production
.
To start, in Use synonyms
cement
 Use synonyms
Use synonyms
production
 the process starts with limestone and clay Add a comma
production,
begin
 crushed and  transformed into powder and later it passes to a rotating heater through a mixer. Verb problem
being
Powder
 is mixed and heated, Add an article
The powder
then
 a grinder is used to make Linking Words
cement
 from the heated powder. Those Use synonyms
cement
 powders are packed in bags for future use.
Next is concrete manufacturing , in concrete manufacture different materials are used to produce Use synonyms
cement
, including Use synonyms
cement
 15%, 25% of sand ,50% of gravel which is small stones and 10% of water are put into the concrete mixer and Use synonyms
then
 it Linking Words
finally
 produced end product which is concrete.Linking Words