Firstly, you should know that what "Analysis / Critical thinking" actually mean.

Analysis / Critical thinking: Analyzing of the things at micro and macro level for various purpose. It also contain all analysis, detection, application, terms and conditions about principles as per interest of Principlism.

Dear Employer, If I say in simple way, I have "Analysis / Critical thinking" skill naturally & practically. And I can do two types of works by my this Skill which I named "Technical Works" and "Educational Works". Technical Works donates all types of works excluding educational works which consists of technical phenomena. Examples of technical works we can take are Data analysis, Online testing and more which are related to above skill. And "Educational Works" donates Writing, blogging, teaching about Data analysis, Online testing and more etc. 

Summary:

So, In short I can do all kinds of Educational and Technical works with the help of my "Analysis / Critical thinking" skill.