Disquete e oil well: o que têm em comum

1. Passo 1. Disquete — é feito de — PET. The disk is Mylar (PET) with a magnetic coating.
2. Passo 2. PET — inclui — Polyester. Polyester fibre is PET.
3. Passo 3. Polyester — evoluiu de — Nylon. The next synthetic fibre.
4. Passo 4. Nylon — é feito de — Crude oil. The raw material is petrochemical.
5. Passo 5. Crude oil — utiliza — Oil well. Oil is extracted from wells.

Abrir Evothings