http://museums.ncl.ac.uk/flint/images/timeline.jpg

I know they can use cogongrass to

catches the game and take the stone

to grind stone implement to make

the bowl.

http://www.kenmore.org/ferryfarm/arch_special/hunters.html

I know they can use stone to make a fire

to cook and use the bamboo and bushes

to make the house.

http://museums.ncl.ac.uk/flint/archhunt.html

Their food and raw material scope tool, weapon

is going hunting important things .