??? ??? ??, ?? ??? ???? ??? ???? ?? ?? ?? ??? ???? ???? ???. (?? ???? ?? ???? ?? ???? ? ??? ?? ??? ??? ?? ? ??? ??? ?? ?? ??? ?? ?? ??????. )?? ??? ??? ??? ?? ????. ??? ??? ?? ??? ?? ??? ????? ????? ?????? ?????. ??? ??? ??? ??? ?? ? ??? ???? ?? ??? ??? ??????. In very hot climates, physical exercise or other physical exercise may well induce hyp