how they work, how to use them, what different styles and adjustments are about the tool.
yes
because they need to know where to find these things
so that when rock and stuff is formed they know what temperature it was formed in
The scientist has not create a Time Machine i don't think they know how to do or the right tools to do it.
Two or Three Things I Know About Her was created on 1967-03-17.
because they wanted to know more.
what are the three main things in the u.s.a.
By digging in caves where they use to live. The tools and weapons they dig up tells how the Neanderthals lived.
Anyone who measures things and anyone who receives information concerning measurements made with tools.
i dnt know u tell me?
well when you get a house you will need to know how to fix some things if anything breaks.
For the convenience of their identification and to know about their similarity and dis-similarity with others.