Knowledge gained by experienced equipment operators is now available on video. Productivity, technique and getting more out of the equipment is the focus. Each of these crane rigging technique videos disseminates operating tips and techniques used by experienced professional operators. TIPS are based on research with qualified operators from a broad range of backgrounds and experiences. Filmed under the guidance of professional riggers, these rigging tips are the result of years of experience. After a quick review of the basics, this video offers tips on how to estimate the weight and center of gravity for large or odd shaped loads. (27 minutes).