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2013-06-14	MisterWandering	95	Check this topic
2013-08-28	andaihiep	65	Check this topic

Topic title: The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes.Summarise the information by selecting and reporting the main features, and make comparisons where relevan

Topic category: IELTS