A man sets up the camera at the gym to demonstrate how to lift weights when a young boy walks into the frame, completely obscuring the mans and says "hi."
A man demonstrates the strength of a cabinet, then it breaks, and he falls in the RV.
A senior woman in a kitchen talks to the camera and shows how to use a gripper and grabs a container from a cabinet when it slips and falls. It breaks and spills powder on the counter.