In 400 B.C. Hippocrates (ancient greek) perscribed bark and leaves of willow trees to relive pain and fever.
Crawling
Buttons.
bikes
benches
pickaxes
Shoelaces were invented long before people bothered to keep records of such things.
Before the refrigerator was invented, people used iceboxes, which were essentially big coolers with a block of ice. Even before that, food was preserved by salting, curing, smoking, drying, and canning.
theyusedwinpower theyusedwinpower
they read books.
Fingernails!!
i dont know, you tell me...........
Brief case