Multi-select problem: How does the next paragraph end?

A piece of exercise equipment is put together through technology and then shown in real time. a person's hand

Pick your answer from: + is then shown pointing to the steps, and then guides them up the step or the tire. + the use the equipment for several seconds. + is holding a piece of exercise equipment and then his arm is shown with a different piece of exercise equipment. + turns a knob on the machine and begins running on the machine.
turns a knob on the machine and begins running on the machine.