The diagram illustrates eight different steps that 
used
 for producing Add a missing verb
are used
milk
 and the items like cheese , cream and butter.
In general, cows  were sent for a process called grazing so that it can increase Use synonyms
the 
Correct article usage
apply
milk
 productivity , and in the final stage , the Use synonyms
milk
 and the products of Use synonyms
milk
 are distributed  for the sale in stores.
To be specific, in the initial stage cows were  fed very well for Use synonyms
milk
 production . Use synonyms
Secondly
 , the cows are milked using a milking machine twice a day . Linking Words
Thirdly
 , the produced Linking Words
milk
 is Use synonyms
then
 stored in a cylinder-shaped chamber called refrigerator storage . Moving forward, the stored Linking Words
milk
 is Use synonyms
then
  pumped directly into a Linking Words
milk
 tanker for daily delivery to the dairy. After that , in Use synonyms
dairy
 the Add a comma
,dairy
milk
  and the byproducts Use synonyms
such
 as cheese and butter were separated from it . Linking Words
Subsequently
, the pure Linking Words
milk
 is Use synonyms
then
 pasteurized and packed for distribution and delivered to  shops  and supermarkets so that  people can purchase it for household purposes.Linking Words