| http://www.w3.org/ns/prov#value | - I would also speculate (this is just my opinion and without any supporting facts) that even if there was a difference in the "standard specification and QA/QC programs between the two groups of companies that you listed (and I myself doubt that there is due to efficiences in production) I suspect that most new or limited experience observers would not be able to pick out the difference between
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