The diagrams below show two cutting tools made from stone. They are from an early period and a later period of human history. The tools were made by breaking off small pieces of stone.

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The given illustrations compare two tools made out of stone to cut from an early and a later period of humanity.
In addition
Linking Words
, ancient people made these instruments by the method of removing tiny pieces.
Overall
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, it can be clearly seen from the diagrams that the later the period, the sharper the top of the stones. With regard to front views of equipment, 1.4
million
Use synonyms
years
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ago old people used equipment, which was more round than tools 0.8
million
Use synonyms
years
Use synonyms
ago.
In addition
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, over the
years
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, the method of preparing tools was improved without any destruction in pieces. Turning to side views, 0.8
million
Use synonyms
years
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ago the cutting tool was stronger with sharp ends on both sides, top and bottom.
Additionally
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, the height of the cutting tool was increased by nearly 4 cm. The back view of stone 0.8
million
Use synonyms
years
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ago experienced a double in width.
Similarly
Linking Words
, there was a plateau in the quality of the tool.

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Linking words: Don't use the same linking words: "in addition".
Introduction: The introduction is missing.
Introduction: The chart intro is missing.
Basic structure: Change the fourth paragraph.
Introduction: The chart intro is missing.
Vocabulary: Replace the words million, years with synonyms.
Vocabulary: Rephrase the word "undefined" in your introduction.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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