Firstly, you should know that what "Typing" actually mean.

Typing: Do typing with the speed of 30 wpm. In addition, I am continuously working to increase this speed.

Dear Employer, If I say in simple way, I have "Typing" skill 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 Typing, Transcription, Captioning and more. And "Educational Works" donates Writing, blogging, teaching about Typing, Transcription, Captioning and more etc. 

Summary:

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