Which Types Of Benefits Does "blog" Provide?

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Hi,I see at some websites that they would hire our projects. ok. but which type of  projects?

I am dealing with such types.

*** generally particularly structures.but entirely change any type of structured device.

*** I can also invent something directly-entirely new- (but not device). this is generally being specific issue and novel.  

structural works can provide us more useful types and scientific findings only.

But still we did not apply for patent and look for potential  sources. could you help please, which types of projects can be hired (blog??)

can we do somethings to earn money via our such works with blog??

and what is the legal situation of blogs?

Many thanks