for the lumber to make homes
Tools or their hands.
Humans can make simple decisions if they use common sense. Most humans make simple decisions into difficult decisions or make something harder than it really is.
stone
Animal husbandry is using animals for the purpose of humans.
Every humans are socialized to do, think, use, and make.
Humans use the chemical energy from food as fuel for the muscles that make us move.
Humans have used their oils for cosmetic's. Humans also use turtle shells and skin to make jewelry and wallets.
Humans use dugouts, huts, dwellings, houses, and homes by living in them. Homeless and nomadic people use cardboard or cloth to make tents for shelter.
to light a matchstick when there is a blackout.
Humans use poor farming practices as well as overgrazing of livestock cause grasslands to turn into deserts through the process of desertification.
Yes, it is possible to make humans with nanotechnology but probably not now. Maybe in around 10 years from now, so if your looking for the question" is it possible to make humans with nanotechnology right now" probably no? When they make them they are gonna use some real cells from humans.