books iron cover
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# What is the name of the Kaaba cover?
# Cover the mattress with a tight cover
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# What is the element iron?
# Where is the iron?
# What foods are rich in iron?
# Causes of iron deficiency in the blood Iron
# What is the melting point of iron?
# How does the body obtain iron?
# What is the color of iron?
# Which is heavier, a ton of paper or a ton of iron?
# What iron is known as crocodile iron?
# What is the deity against which the blacksmith strikes iron?
# How is there an arithmetic process in cutting iron?
# What is the density of iron?
# What is the atomic weight of iron?
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غطاء حديدى (Info)
غطاء حديدى:- راسب حديدى يوجد في الأجزاء العليا لبعض رواسب الخامات المعدنية، يتكون بالتأكسد وبالتخلص من الكبريت أو النحاس أو غير ذلك من العناصر. ويتدخل في تركيبه أكاسيد الحديد وعلى الأخص المائية منها. (معجم الجيولوجيا)
