It is seen from the figure that cutting tools are advanced with the ages. We can evidently see tha advancements in the cutting tools which are being used in ages. With the advancment of time, the cutting tools are advanced for the ease of use.
To begin with, we can see the comparison between both of the tools designed in different times. The front and back view of tool A shows that the square area of cutting for back and front view is kept the same while the appearance of tool is made different along with the width of cutting tool.
In comparison with Tool B which is from 0.8 million years ago, changes were made in the width of tool as the length of the tools from both the ages are kept constant. Comparing both the tools, only the side view is changed with the passage of time making the tool more handy and easy to carry.
