you have to entitle the passage to specify the field you are talking about more in the mind of the reader.
indentation is important. misplacing coma as there should be no coma before 'in lieu of' and a coma after 'now' and also what is the meaning of 'autocthoncus'? you should keep consistent time-happening events. 'supermarket products' not 'supermarket produce' as well as' product vendors'. your passage should contain more specific words other than the long clauses of 'that'
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