Electrical apparatus and instruments, namely, apparatus and instruments for weighing of constituents for concrete, measuring of moisture in constituents, measuring of power consumption during concrete production, measuring of moisture in concrete, measuring positions and times for signaling and controlling movable buckets, belts, screws, gates and mixing tools, particularly for use in the construction industry.

'apparatus':2,6 'belt':42 'bucket':41 'concret':14,25,31 'constitu':12,19 'construct':53 'consumpt':23 'control':39 'electr':1 'gate':44 'industri':54 'instrument':4,8 'measur':15,20,27,32 'mix':46 'moistur':17,29 'movabl':40 'name':5 'particular':48 'posit':33 'power':22 'product':26 'screw':43 'signal':37 'time':35 'tool':47 'use':50 'weigh':10

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