The two pictures illustrate how 
cement
 and concrete are produced with different tools in order to construct buildings. 
Use synonyms
Overall
, the process involves a total of 6 steps  from a mixer of clay and limestone particles to heating and grinding to packing into bags. Linking Words
Furthermore
, the Linking Words
cement
 is mixed with other components Use synonyms
such
 as water, sand, and tiny stones to convert it into a concrete mixture.
Linking Words
According to
 the picture, there are several stages in the procedure of Linking Words
cement
 production. Use synonyms
Firstly
, two products which are limestone and clay are crushed into powder. After that, the mixture is passed through a tube where it is treated with heat in the rotating heater. In the next stage, the warmed substance is Linking Words
grinded
 to form Correct your spelling
ground
cement
 and is Use synonyms
further
 packed equally into packages.
Linking Words
Furthermore
, in the formation of concrete, four elements are jumbled together in different proportions into a big container. Linking Words
This
 includes  half of gravel, a quarter of sand particles, 15% of Linking Words
cement
, and 10% of water. All the particles are mixed in a rotating tank and Use synonyms
as a result
, a mixture is formed which is Linking Words
then
 used in construction.Linking Words