Machines, namely custom-built carts used for locating and mapping underground utilities and for assessing the structural integrity of roads and bridges

'assess':16 'bridg':23 'built':5 'cart':6 'custom':4 'custom-built':3 'integr':19 'locat':9 'machin':1 'map':11 'name':2 'road':21 'structur':18 'underground':12 'use':7 'util':13

Electronic testing equipment, namely, geophysical instruments, ground penetrating radar, electromagnetic induction, magnetometers, gravimeters, infrared sensors and seismic and acoustic systems, namely multichannel instruments containing signal generators, receivers and transducers

'acoust':19 'contain':24 'electromagnet':10 'electron':1 'equip':3 'generat':26 'geophys':5 'gravimet':13 'ground':7 'induct':11 'infrar':14 'instrument':6,23 'magnetomet':12 'multichannel':22 'name':4,21 'penetr':8 'radar':9 'receiv':27 'seismic':17 'sensor':15 'signal':25 'system':20 'test':2 'transduc':29

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