a construction worker grips a heavy wooden beam with both hands and lifts it upward toward the roof frame. His muscles strain as he moves the beam from ground level to its mounting position above his head. The beam travels in a clear upward arc from its starting point near his feet. A second worker stands on a ladder reaching down to help guide the beam into place. Other construction materials and scaffolding fill the background showing active building work. the action of lifting and moving something to a higher position