Graveyard tour (pronounced “tower”)
25 July 2017Horsepower, rotary and torque
25 July 2017Gravity
1) the attraction exerted by the earth’s mass on objects at its surface.
2) the weight of a body. See API gravity, specific gravity.
Graveyard tour (pronounced “tower”)
25 July 2017Horsepower, rotary and torque
25 July 2017