Visitor rating
Discusses the mechanical advantages of the use of block and tackle when moving or lifting loads. Furnishes information on rigging and reeving techniques and the safe use of block and tackle. Features demonstration of the use of block and tackle. Includes Leader's Guide and 25 Program Guides.
Williams Learning Network, 15400 Calhoun Dr., Rockville, MD 20855-2762, Phone: (301)315-6700, Toll-free: 800-848-1717, Fax: (301)315-6880, Email: mait@willearn.com, URL: http://www.willearn.com
Available on VHS
Running time 11 minutes.
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