ﮐﺎﺭﺑﺮﺩ ﺗﻮﭖ ﻫﺎﯼ ﺭﻧﮕﯽ ﺭﻭﯼ ﺧﻄﻮﻁ
ﺑﻪ ﺍﯾﻦ ﮔﻮﯼ ﻫﺎﯼ ﺭﻧﮕﯽ ﮐﻪ ﻣﻌﻤﻮﻻ ﺍﺯ ﺭﻧﮓ ﻫﺎﯼ ﻗﺮﻣﺰ , ﻃﻼﯾﯽ ﻭ ﯾﺎ ﻧﺎﺭﻧﺠﯽ ﺍﺳﺘﻔﺎﺩﻩ ﻣﯽ ﺷﻮﺩ Marker Ball ﯾﺎ warning ball ﮔﻔﺘﻪ ﻣﯽ ﺷﻮﺩ ﻭ ﺟﻨﺲ ﺁﻥ ﺍﺯ ﺁﻟﻮﻣﯿﻨﯿﻢ ﯾﺎ ﭘﻼﺳﺘﯿﮏ ﻣﻘﺎﻭﻡ ﺍﺳﺖ ﻭ ﻫﻤﭽﻨﯿﻦ ﻗﻄﺮ ﺁﻧﻬﺎ ﺩﺭ ﺣﺪﻭﺩ 50 ﺗﺎ 80 ﺳﺎﻧﺘﯽ ﻣﺘﺮﻣﯽ ﺑﺎﺷﺪ .
ﺍﯾﻦ ﮔﻮﯼ ﻫﺎﯼ ﺭﻧﮕﯿﺒﯿﺸﺘﺮ ﺩﺭ ﻣﺤﻞ ﺗﻘﺎﻃﻊ ﺧﻄﻮﻁ ﺍﻧﺘﻘﺎﻝ ﻭ ﻓﻮﻕ ﺗﻮﺯﯾﻊ ﯾﺎ ﺟﺎﺩﻩ ﻫﺎ ﻧﺼﺐ ﻣﯽ ﺷﻮﺩ . ﺍﺯ ﺍﻫﺪﺍﻑ ﺍﺻﻠﯽ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺍﯾﻦ ﮔﻮﯼ ﻫﺎ ﺑﺮ ﺍﺳﺎﺱ ﺍﻫﻤﯿﺖ ﺁﻧﻬﺎ ﻣﯽ ﺗﻮﺍﻥ ﺑﻪ ﻣﻮﺍﺭﺩ ﺯﯾﺮ ﺍﺷﺎﺭﻩ ﮐﺮﺩ :