The figure illustrates the process by which nuclear power is generated from uranium. 
Overall
, there are six stages to Linking Words
this
 process Linking Words
staring
 with extraction and finishing with buried products, With reprocessing or reusing the products Correct your spelling
starting
instead
 of throwing them away. 
In the first Linking Words
stage
 the uranium is mined and is extracted from underneath the ground. When it has been extracted, it  undergoes enrichment and it is converted into U-235 fuel pallets. Once converted into U-235, it is used Add a comma
stage,
power
 generators and generate electricity. It produces enough pellets which can Fix the infinitive
to power
last
 for a long period of time. 
Linking Words
However
, since it Linking Words
Linking Words
last
 for up to four years, Replace the word
lasts
which
 becomes spent and it has to be removed. After it has been removed some of the spent can be reprocessed and used again to generate electricity. Alternatively, If it can not beCorrect pronoun usage
it
  repocessed
 or used again, it is put in a specific container and is buried.Correct your spelling
 repossessed
 reprocessed
 processed