Article on Welding

I need 5 articles written on welding.

Details:

4 Info Articles - 1,000 words each.
Titles:
How to weld sheet metal with a wire feed welder
What kind of welder do i need to weld aluminum
How long does it take to get welder certificatio
How much does a welder make a year.

1 Buying Guide - 2,000 words.
Title:
Best plasma cutter for the money (5 product reviews - I will include product names)

I can offer €70 max.