Question: what are the eight keys to lifting and lowering?
Answer: #1. Get close to object, ...  #2. Position your feet "shoulder width" apart, ...  #3. Bend at the knees, ...  #4. Test the object for weight & shifting content. #5. Get a FIRM grip at opposite corners. #6. Lift with a SMOOTH steady motion, ...  #7. Move your feet. ...  #8. Use existing equipment or facilities to assist.