The diagram illustrates how glass 
bottles
 are recycled. Use synonyms
Overall
, it is a cyclical Linking Words
process
 consisting of 4 main stages: recycling, washing, crushing and moulding. 
The first Use synonyms
stage
 involves people putting glass Use synonyms
bottles
 in the recycling bins. These bins are transported by garbage trucks to the treatment plant. The next Use synonyms
stage
 involves the cleaning Use synonyms
process
 whereby the Use synonyms
bottles
 undergo washing and sterilisation to remove any potential infectious agents. 
Following the second Use synonyms
stage
, the glass Use synonyms
bottles
 are crushed to make them small and amenable. Use synonyms
Subsequently
, they are going to be exposed to high heat in order to be melted and turned into a liquid which is easier to work with. It is important to note that these two processes are done by machines. The next Linking Words
stage
 is the moulding Use synonyms
process
, Use synonyms
this
 is where the liquid is poured into glasses which are recyclable before being delivered to supermarkets. Linking Words
This
 entire Linking Words
process
 is continuous, it starts with and ends with recycling.Use synonyms