BSR E1.6-4 - 201x, Portable Control of Fixed-Speed Electric Chain Hoists in the Entertainment Industry, is available for public review on the PLASA website at http://tsp.plasa.org/tsp/documents/public_review_docs.php through March 26. The control systems covered are most often used to control one or more chain hoists being used to fly equipment or scenery in shows or events being done in arenas and convention centers.
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