Helmet e hydraulic press: o que têm em comum

1. Passo 1. Helmet — é feito de — Leather. Helmet liners and simple helmets were made of leather.
2. Passo 2. Leather — é material para — Piston. They were sealed with a leather cup.
3. Passo 3. Piston — faz parte de — Hydraulic cylinder. The piston is moved by liquid.
4. Passo 4. Hydraulic cylinder — faz parte de — Hydraulic press. Two cylinders of different diameters.

Abrir Evothings