The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.
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The diagram illustrates the evolution of cutting tools in the Stone Age. In general, it is evident that these stone tools underwent significant developments.
Tool
Use synonyms
B was not only larger in size but
also
Linking Words
more sophisticated and refined than the previous one. The cutting
tool
Use synonyms
used by prehistoric people 1.4 million years ago was quite small, around 7-8 centimetres in length. It was
also
Linking Words
crudely made, as can be seen from the illustration, its front and back sides were not symmetrical.
Furthermore
Linking Words
, the
tool
Use synonyms
’s edge was rather blunt because it was not properly sharpened and was quite uneven.
By contrast
Linking Words
,
tool
Use synonyms
B (0.8 million years ago) shows improved craftsmanship as its two sides were almost identical. It was
also
Linking Words
substantially larger than
tool
Use synonyms
A, around 10 centimetres in length and had a shape resembling a droplet: pointy at one end and widened towards the base.
Moreover
Linking Words
,
tool
Use synonyms
B
also
Linking Words
appears more effective as its edge was ground much sharper and smoother than that of its previous version.
Submitted by weezel on

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Linking words: Don't use the same linking words: "also".
Vocabulary: Replace the words tool with synonyms.
Vocabulary: The word "around" was used 2 times.
Topic Vocabulary:
  • Stone Age
  • tools
  • cutting
  • development
  • rudimentary
  • sophisticated
  • progression
  • unworked pebbles
  • flake tools
  • bifacial tools
  • efficiency
  • materials
  • emergence
  • characteristics
  • functionality
  • craftsmanship
  • precision
  • hunting
  • carving
  • advancements
  • significance
  • human development
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