books heavy chemicals
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# Heavy chemical industry
# Heavy Metal Chemistry
# heavy artillery
# heavy weapons
# heavy Industries
# heavy equipment
# Heavy Emphasis Nun
# Heavy machinery abbreviation
# Heavy equipment maintenance
# heavy tanks
# Heavy Equipment
# Heavy tanks of the Soviet Union
# German heavy tank battalions
# heavy german tanks
# Mitsubishi Heavy Industries aircraft
# Mitsubishi Heavy Industries Products
# Heavy machinery and equipment
# Mitsubishi Heavy Industries flags
# Mitsubishi Heavy Industries submarines
# heavy ions
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الكيميائيات الثقيلة (Info)
الكيميائيات الثقيلة:- الكيميائيات التي تصنع بكميات كبيرة في الصناعة ، مثل كربونات الصوديوم والأحماض المعدنية وهدروكسيد الصوديوم . (معجم الكيمياء والصيدلة (ج١))
