Apparatus for separation of liquids being water filtering apparatus

'apparatus':1,9 'filter':8 'liquid':5 'separ':3 'water':7

Construction of filtering systems for waste water, run-off of liquids from landfills, run-off liquids from strip mining operations and run-off of liquids from acid mine drainage from coal mining operations; and consultation regarding construction of filtering systems for waste water, run-off of liquids from landfills, run-off liquids from strip mining operations and run-off of liquids from acid mine drainage from coal mining operations

'acid':30,69 'coal':34,73 'construct':1,40 'consult':38 'drainag':32,71 'filter':3,42 'landfil':14,53 'liquid':12,18,28,51,57,67 'mine':21,31,35,60,70,74 'oper':22,36,61,75 'regard':39 'run':9,16,25,48,55,64 'run-off':8,15,24,47,54,63 'strip':20,59 'system':4,43 'wast':6,45 'water':7,46

Metal filtering tubes used to prevent run-off pollutants from landfills from entering sewer systems

'enter':14 'filter':2 'landfil':12 'metal':1 'pollut':10 'prevent':6 'run':8 'run-off':7 'sewer':15 'system':16 'tube':3 'use':4

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