First time for me to check this kind of thing @smaeunabs, anyway i got interest on this kind of lifting equipment so i did some personal checking on their website and found out some positive usage on it. Please check on my personal review below :

Pros :

• It can really help labor workers or construction workers to simplify their work and even improve their work force
• An equipment that can really gives big improvement on productivity and can also be more consistent than the manual way
• It can also reduced some construction inquries to workers and laborers
• Repetitive works will be eliminated for it can be done by this kind of equipment and workers will never be over fatique on lifting heavy objects anymore

Cons :

• This item is intended only purely on construction or any establishments that lifts heavy objects in repetition