PROPER ENGLISH, 6000 words total, 20 unique articles/content for a website

6000 words total, 20 unique articles/content for a website on the attached subjects.

Its basically a few paragraphs of engaging content and written in perfect plain English. I am seeking 20 unique lighting articles/content for a website.

These articles should be 300 words or longer on the following subjects in the attachment. I can read and write, so do not waste my time if you are planning on using any spinner. If you submit any gobbledegook or any sentences do not scan correctly or words misspelled, the content will be rejected and job cancelled.

The content must be perfect English and grammatically correct. Must be copyscape clear and will be checked. Any bid which is made and is a copy and paste will be rejected. Show me that you understand what’s been requested or fail at the first step.