German-Turkish scientific cooperation to turn on a science lamp to light many fields of life.
strong scientific idea , i want to buy that cap ;)
thank you , the cap is my gift :-)
Nice idea & presentation.
thank you for your comment ...
Very simple and cleaver design. Great presentation too!
Very much thank you Marguis!
thanks !! :-)
good work, well done :))
nice one! :]]
I like it !