Waste water clarifying installations, installations for treating waste water, rainwater, atmospheric water, namely, settling pipes, settling tanks, settling pits; water filters for household and industrial purposes

'atmospher':11 'clarifi':3 'filter':21 'household':23 'industri':25 'instal':4,5 'name':13 'pipe':15 'pit':19 'purpos':26 'rainwat':10 'settl':14,16,18 'tank':17 'treat':7 'wast':1,8 'water':2,9,12,20

Building materials, not of metal, namely, gutter pipes, drainpipes, water conduits, grilles not being for ventilation and heating purposes, shafts, manhole covers; Flushing and inspection shafts, not of metal, being integral parts of trenching drainage installations

'build':1 'conduit':11 'cover':22 'drainag':35 'drainpip':9 'flush':23 'grill':12 'gutter':7 'heat':18 'inspect':25 'instal':36 'integr':31 'manhol':21 'materi':2 'metal':5,29 'name':6 'part':32 'pipe':8 'purpos':19 'shaft':20,26 'trench':34 'ventil':16 'water':10

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