It's about 60% good material. The entire first paragraph and a few other sections need to be reworked as they don't make complete sense. I don't have the time to do 40% of work so I cannot approve. Sorry. 

Responded with comment: This is a very good article, Shame on you!!! 

Thank you! 

great work 

had a lot of the same information as another article I had recently written on this same service (same writer?), but totally different text (no duplicate content), and well written. good enough to pass muster for me. 

 

 

Has good information, but sentences are too long. While reading it, I got the feeling that it was overly verbose and used three words when just one would do. Some of the sentences do not sound right to a native English speaker (like "Laboratory wor 

Responded with comment: There was no reason specified for rejecting my hard work 

Thanks Great writing 

Good article with good content 

Good content. Nice article 

Great job 

 

thanks 

excellent 

excellent 

great article...right on target.
Thanks 

Very good article 

Very good article 

thanks! 

 

 

thanks! 

thanks! 

great article 

A good review- thanks!