The diagrams illustrate the stages of the 
cement
-making process  and  the concrete production used by Use synonyms
cement
 for construction aims.
Use synonyms
Overall
, there are several stages in each production, from crushing to mixing concrete.
To commence with, limestone and clay are mixed together, and Linking Words
then
 they go through the crusher, which converts them to powder. Linking Words
Next, 
they pass through the mixer, which combines them well. After that, Linking Words
this
 powder goes into the rotating heater, which is heated by the flame, after which, it is emptied on the grinder, and Linking Words
cement
 is produced. Use synonyms
Finally
, it is put in Linking Words
the 
large bags.
As regards, concrete production, the Correct article usage
apply
cement
 bags are carried to the factory. After that, to create  concrete, they use %15 of Use synonyms
the 
Correct article usage
apply
cement
, %10 of water, %25 of sand and %50 of gravel, which all are put iUse synonyms
Correct article usage
a concretete
n concrete
te mixer tool, which combines the items and Correct your spelling
concrete
finally
Linking Words
, produces
ce it.Correct your spelling
produces