Counterweight arbor assembly in the nature of a framework with weights in it made primarily of metal and also sometimes including non-metal parts for providing a counterweight for use assisting with the manually powered lifting by means of ropes, cables and/or chains of theatrical objects during the performance of theatrical productions

'also':19 'and/or':43 'arbor':2 'assembl':3 'assist':32 'cabl':42 'chain':44 'counterweight':1,29 'framework':9 'includ':21 'lift':37 'made':14 'manual':35 'mean':39 'metal':17,24 'natur':6 'non':23 'non-met':22 'object':47 'part':25 'perform':50 'power':36 'primarili':15 'product':53 'provid':27 'rope':41 'sometim':20 'theatric':46,52 'use':31 'weight':11

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