'In a car, the reciprocating, or up-&-down, motion of these is changed to rotary motion in the wheels'
pistons
GOING THROUGH THE MOTIONS: In a car, the reciprocating, or up-&-down, motion of these is changed to rotary motion in the wheels
In a car, the reciprocating, or up-&-down, motion of these is changed to rotary motion in the wheels
In a car, the reciprocating, or up-&-down, motion of these is changed to rotary motion in the wheels
GOING THROUGH THE MOTIONS
pistons
GOING THROUGH THE MOTIONS