The diagrams provide information concerning the transformation of cutting equipment between 1.4 and 0.8 million years ago.
Overall
, it can be clearly seen that both tools A and Linking Words
B
 were based on a triangle shape but their size was noticeably developed over the time period.
Use synonyms
To begin
 the appearance of Linking Words
tool
 A was about 10 Use synonyms
centimetres
 in height, 5 Use synonyms
centimetres
 in width and 2.5 Use synonyms
centimetres
 in thickness. the material of Use synonyms
tool
 A was slightly darker than Use synonyms
Use synonyms
tool
 Capitalize word
Tool
B
. In terms of their characteristic, apparatus Use synonyms
B
 has more shine than Use synonyms
apparatus
 A.
Moving on to the external looks of Capitalize word
Apparatus
Tool
 Use synonyms
B
, there was Use synonyms
dramatically increased
 in terms of width, and it reached around 8 Replace the word
a dramatic increase
centimetres
. The measurement of height and thickness remained almost the same level Use synonyms
especially
 in the former. The latter was significantly thinner than Add the comma(s)
, especially
tool
 A. In terms of material, equipment Use synonyms
B
 was made by substance with more brighter shade than equipment A.Use synonyms