MANUAL ARTICLE REVIEW IS REQUIRED FOR THIS ARTICLE

Manual article review is required for this article

Manual article review is required for this article

Manual article review is required for this article

•،‫ﺎء‬‫ﺑﺎﻟﻤ‬ ‫ﺄﺛﺮه‬‫ﺗ‬ ‫ﺪم‬‫وﻋ‬ ،‫ﻞ‬‫ﻃﻮﯾ‬ ‫ﻲ‬‫اﻻﻓﺘﺮاﺿ‬ ‫ﺮه‬ ‫وﻋﻤ‬ ،ً‫ا‬‫ﺪ‬‫ﺟ‬ ‫ﻮي‬‫ﻗ‬ ‫ﮫ‬‫أﻧ‬ ‫ﺤﺔ‬‫اﻟﻮاﺿ‬ ‫ﺎه‬‫ﻣﺰاﯾ‬ ‫ﻦ‬‫ﻣ‬‫ﻦ‬ ‫ﻣ‬ ‫�

‫اﻟﻈﺎھﺮة‬ ‫ھﺬه‬ ‫ﻓﯿﺴﺒﺐ‬ ‫اﻟﺨﺸﺐ‬ ‫ﻣﺴﺎﻣﺎت‬ ‫ﯾﺘﺨﻠﻞ‬ ‫اﻟﺬي‬ ‫اﻟﻤﺎء‬.•ً‫ا‬‫ﺟﺪ‬ ‫وﯾﺘﺄﺛﺮ‬ ، ‫ﺿﻌﯿﻒ‬ ‫وھﻮ‬ ‫اﻟﻌﻘﺪ‬ ‫ﻓﯿﮫ‬ ‫ﺗﻜﺜﺮ‬‫ﺑﺎﻟﺮﻃﻮﺑﺔ‬.ويتم ال