books شحم التزييت
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# Lubricating oils stock
# Hydrogenation of lubricating oils
# Lubricant and lubricant
# Oil and lubricating grease industries
# sonic lubrication
# mechanics lubrication
# lubricating oil
# Home lubricating oil
# lubricating lubricant
# What is solid grease?
# Spent lubricating oil
# Oil and grease removal
# Fuel, oil and grease
# Animals in grease or oil
# lubricating ring
# lubricating sling
# lubricating gun
# cooking grease
# Valley of Grease
# grease composition
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شحم التزييت (Info)
شحم التزييت:- الشحم المستعمل في عمليات تشحيم الآلات والمحاور. (معجم الجيولوجيا)
