| http://www.w3.org/ns/prov#value | - platform, said first mechanism including a braking mechanism, said first mechanism further comprising first and second pulleys, cables and a counterweight, a horizontal shaft having said first pulley, and said braking mechanism mounted thereon, said shaft mounted on said structure, said second pulley mounted rotatably on said sidewall of said base, a cable extending from and secured to a sidewall
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