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2018-12-14	nmp.28	78	Check this topic
2014-05-06	charlenemisa	70	Check this topic
2019-07-19	minakatori	73	Check this topic
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2017-02-07	Trangnguyen95	78	Check this topic
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2018-11-15	Aarohi Agarwal	61	Check this topic
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2018-12-12	payamshafie	61	Check this topic
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2018-05-05	junyagk	56	Check this topic

Topic title: The diagram below shows how a central heating system in a house works.Summarise the information by selecting and reporting the main features, and make comparisons where relevant.You should write at least 150 words.

Topic category: IELTS Writing Task I - IELTS Academic