ﺰﺟﺎﺣ (Barrier)
.ﻢﻟﺎﻌﻟﺍ ﻲﻓ ﻖﺋﺎﺳ ﻞﻀﻓﺃ ﻚﻧﺃ ﺕﺎﺒﺛﺇ ﺎﻬﻟﻼﺧ ﻦﻣ ﻚﻨﻜﻤﻳ ﺓﺪﻳﺪﺟ ﺕﺎﻘﺑﺎﺴﻣ ﻲﻓ ﻙ .ﻖﻳﺮﻄﻟﺍ ﻰﻟﺇ ﺎﻫﺬﺧﺄﺗﻭ ﺓﺩﺎﻴﻘﻟﺍ ﺔﻠﺠﻋ ﻒﻠﺧ ﺱﻮﻠﺠﻟﺍ ﻚﻴﻠﻋ ﻥﻮﻜﻴﺳ .ﺔﻋﺮﺴﻟﺍ ﻂﻘﺘﻠﺘﻟ ﺭﺍﺮﻤﺘﺳﺎﺑ ﻡﺎﻣﻸﻟ ﻊﻓﺪﻨﺗ ﻑﻮﺳ ، ﺩﻮﻗﻮﻟﺍ ﺔﺳﺍﻭﺩ ﻰﻠﻋ ﻂﻐﻀﻟﺎ .ﺔﻔﻠﺘﺨﻣ ﻝﺍﻮﻃﺄﺑ ﺰﺟﺍﻮﺣ ﻚﻣﺎﻣﺃ ﺮﻬﻈﺘﺳ .ﺔﻋﺮﺴﺑ ﺎًﻌﻴﻤﺟ ﺎﻫﺯﻭﺎﺠﺗ ﻚﻴﻠﻋ ﻦﻴﻌﺘﻴﺳ ، ﺕﺍﺭﻭﺎﻨﻤﻟﺎﺑ ﻡﺎﻴﻘﻟﺍ ﺪﻨﻋ .ﻖﻳﺮﻄﻟﺍ ﻰﻠﻋ ﺓﺮﺛﺎﻨﺘﻣ ﺔﻔﻠﺘﺨﻣ ﺕﻼﻤﻋ ﻊﻤﺟ ﻝﻭﺎﺣ ، ﺖﻗﻮﻟﺍ ﺲﻔﻧ ﻲﻓ