Researchers construct an ice lab to test the performance of winter footwear and prevent accidents.
from BBC News - World http://ift.tt/2CYvWN6
Subscribe to:
Post Comments (Atom)
Author Details
??? ??? ??? ?????? ?? ??? ????? ????? ??? ??????? ????? ?????? ????? ?????ً،??? ???? ???? ?????? ?? ???? ??? ?????? ???? ????? ?? ?? ???? ?? ????? ?? ???????? ???? ????? ??? ??????? ????? ???? ?? ????، ??? ???? ???? ?? ??? ?????? ??? ?? ????? ??? ????? ??? ???? ????? ?? ?????، ??? ????، ??? ????، ?? ??? ??? ?????. ???? ????? ???ً ?????ً ??????ً.
No comments:
Post a Comment