Polyethylene layers e needle: o que têm em comum

1. Passo 1. Polyethylene layers — faz parte de — Tetra Pak. Airtightness.
2. Passo 2. Tetra Pak — é feito de — Paper. Cardboard.
3. Passo 3. Paper — é material para — Lança de fogo. The barrel of a fire lance is a paper or bamboo tube.
4. Passo 4. Lança de fogo — evoluiu de — Spear. The fire lance was a spear with a tube of gunpowder — the first step to firearms.
5. Passo 5. Spear — tem como parte — Stone tool. Early spearheads were made of stone.
6. Passo 6. Stone tool — evoluiu para — Needle. Bone needles with an eye are part of the Palaeolithic toolkit.

Abrir Evothings