Technical evaluations concerning design, namely, engineers' services; scientific research; technical research in the field of mining; research and development of new products for others; conducting of technical project studies, namely, scientific feasibility studies in the field of mining; energy auditing

'audit':40 'concern':3 'conduct':25 'design':4 'develop':19 'energi':39 'engin':6 'evalu':2 'feasibl':32 'field':14,36 'mine':16,38 'name':5,30 'new':21 'other':24 'product':22 'project':28 'research':9,11,17 'scientif':8,31 'servic':7 'studi':29,33 'technic':1,10,27

Chemical preparations for use in industry and science, namely, dispersing polymers, grinding aid poylmers, thickening polymers and rheology modifiers for use in mining processes; metal tempering preparations; metal soldering preparations

'aid':13 'chemic':1 'dispers':10 'grind':12 'industri':6 'metal':25,28 'mine':23 'modifi':19 'name':9 'polym':11,16 'poylmer':14 'prepar':2,27,30 'process':24 'rheolog':18 'scienc':8 'solder':29 'temper':26 'thicken':15 'use':4,21

Information regarding treatment of materials; refining services, namely, ore refining, fuel refining and metal refining

'fuel':11 'inform':1 'materi':5 'metal':14 'name':8 'ore':9 'refin':6,10,12,15 'regard':2 'servic':7 'treatment':3

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