marium ... thanks a lot for this comment ... you are so kind person i hope to meet you and talk with you and to be friends always ... and be sure i will never forget you as a friend ... because simply i like your work and i like the name marium so much :) ... i am not stranger .. call me Ahmed ..... thanks a lot again .... ur BigBrither Ahmed Salah :)

you are Nice persion.giving us Knowldge,by ur video(Fiber Optics).i have conected U ,i foud u re fine nobble kind person,I thanks to u,i hop we will be not forgetable friend.Forfor me not .thanks kind stranger.ur wondermarium