Proppant for use in oil well and gas well hydraulic fracturing operations

'fractur':11 'gas':8 'hydraul':10 'oil':5 'oper':12 'proppant':1 'use':3 'well':6,9

Research and development in the field of minerals; technical consulting services directed to end-use applications of minerals

'applic':17 'consult':10 'develop':3 'direct':12 'end':15 'end-us':14 'field':6 'miner':8,19 'research':1 'servic':11 'technic':9 'use':16

Beneficiating of minerals, namely, processing of minerals, separating of minerals, and sizing of minerals; blending of minerals

'benefici':1 'blend':15 'miner':3,7,10,14,17 'name':4 'process':5 'separ':8 'size':12

BADGERCOATED

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