पिस्टन (en. Piston)

So you’re moving the dumbbells back in forth in a piston-like action.

The basic gas operated long stroke piston and the rotating bolt are similar to the AKM/AK-47.

Chrome Piston Rod & Hollow Piston Rod.

The braking duties are handled by a 320mm twin-discs with four-piston radial calipers at the front and 220mm disc at the rear.

In some engines, the piston also acts as a valve by covering and uncovering ports in the cylinder.

The texture surfaces were created on automotive internal combustion engine components, piston rings and cylinder liners using 100 fs pulse duration laser.

The braking duties are handled by a 320mm twin-discs with four-piston radial calipers at the front and 220mm disc at the rear.