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.
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
B was not only larger in size but
also
more sophisticated and refined than the previous one. The cutting
tool
used by prehistoric people 1.4 million years ago was quite small, around 7-8 centimetres in length. It was
also
crudely made, as can be seen from the illustration, its front and back sides were not symmetrical.
Furthermore
, the
tool
’s edge was rather blunt because it was not properly sharpened and was quite uneven.
By contrast
,
tool
B (0.8 million years ago) shows improved craftsmanship as its two sides were almost identical. It was
also
substantially larger than
tool
A, around 10 centimetres in length and had a shape resembling a droplet: pointy at one end and widened towards the base.
Moreover
,
tool
B
also
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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