It's important to be careful when moving heavy objects.
Rudy is moving to a new house in the city and is unpacking the moving truck.
Rudy wants to move the bulky boxes inside his new home.
Rudy moves the boxes one by one using a back brace and a dolly to get them inside.
Rudy stacks two boxes on top of one another and lifts using his back.
Rudy finishes unpacking the moving truck in less than an hour and feels proud of his work.
Rudy pulls his back and can't lift any longer.