ءﻮﺘﻧ ﺔﻘﻠﺣ (Ring Bump)
.ﺕﺍﺭﺎﻴﺴﻟﺍ ﺕﺎﻗﺎﺒﺳ ﺕﺎﻘﺑﺎﺴﻣ ﻦﻣ ﺪﻳﺪﻌﻟﺍ ﻲﻓ ﺔﻛﺭﺎﺸﻤﻠﻟ ﻚﺗﻮﻋﺩ ﺩﻮﻧ ، ﺓﺮﻴﺜﻤ .ﺔﻨﻳﺪﻤﻟﺍ ﻞﺧﺍﺩﻭ ﺎًﺼﻴﺼﺧ ﺔﻴﻨﺒﻣ ﺕﺍﺭﺎﺴﻣ ﻰﻠﻋ ﺎﻬﻴﻓ ﻙﺭﺎﺸﺘﺳ ﻲﺘﻟﺍ ﺕﺎﻗﺎﺒﺴﻟﺍ .ﺔﺑﻮﻌﺼﻟﺍ ﻊﺿﻭ ﺭﺎﻴﺘﺧﺍ ﻚﻴﻠﻋ ﻥﻮﻜﻴﺳ ، ﺔﺒﻌﻠﻟﺍ ﺔﻳﺍﺪﺑ ﻲﻓ .ﺎًﻴﺠﻳﺭﺪﺗ ﺎﻬﺘﻋﺮﺳ ﺩﺍﺩﺰﺗ ﻖﻳﺮﻄﻟﺍ ﻝﻮﻃ ﻰﻠﻋ ﻊﻓﺪﻨﺘﺳ ﻲﺘﻟﺍ ﻚﺗﺭﺎﻴﺳ ﻯﺮﺘﺳ ، ﻚ .ﺔﺷﺎﺸﻟﺍ ﻰﻟﺇ ﺔﻳﺎﻨﻌﺑ ﺮﻈﻧﺍ .ﺎﻫﺯﻭﺎﺠﺗ ﻚﻴﻠﻋ ﻦﻴﻌﺘﻴﺳﻭ ، ﻖﻳﺮﻄﻟﺍ ﻝﻮﻃ ﻰﻠﻋ ﻯﺮﺧﻷﺍ ﺕﺎﺒﻛﺮﻤﻟﺍ ﻙﺮﺤﺘﺘﺳ .ﺔﻋﺮﺴﺑ ﺔﻔﻠﺘﺨﻣ ﺔﺑﻮﻌﺻ ﺕﺎﻳﻮﺘﺴﻣ ﻦﻣ ﺕﺎﻔﻄﻌﻨﻤﻟﺍ ﺮﺒﻋ ﺭﻭﺮﻤﻟﺍ ﺎًﻀﻳﺃ ﻚﻴﻠﻋ ﺐﺠ .Ring Bump ﺔﺒﻌﻟ ﻲﻓ ﺎًﻃﺎﻘﻧ ﺐﺴﻜﺘﺳ ًﻻﻭﺃ ءﺎﻬﺘﻧﻻﺍ ﺪﻨﻋ