البحث:

This is the project I have to do in Germany
if you are intrested in physics it will be good to read this

The use of solar heat


The heart of a solar collector is the absorber, which is...

Don't yell.
The wind will just blow it awat like dust.

Quietly
keep ypor position low
if possible.

And try waiting
even though crowed rush in

i would like to paticepate with u but i cant traslate in arabic so is it possible to simplify it in english

was searshing for long time for an omani muntada that is in english since i cannot write in arabic because i m now in germany and the keybord in in german and english only till i find this nice...