mobile sand storage silo; powered equipment systems consisting of a mobile, selfpropelled hydraulic power and control unit, mobile sand storage silo, material conveyors, lifting devices for elevating platforms for gravitational unloading of vehicular transport systems, and fixed equipment carrying trailers, namely, semi trailer chassis with permanently mounted equipment

'carri':39 'chassi':44 'consist':8 'control':16 'conveyor':23 'devic':25 'elev':27 'equip':6,38,48 'fix':37 'gravit':30 'hydraul':13 'lift':24 'materi':22 'mobil':1,11,18 'mount':47 'name':41 'perman':46 'platform':28 'power':5,14 'sand':2,19 'selfpropel':12 'semi':42 'silo':4,21 'storag':3,20 'system':7,35 'trailer':40,43 'transport':34 'unit':17 'unload':31 'vehicular':33

GRAVITYBOX

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