Processing of plastics; production of energy; processing of structural steels; processing of metals; metal treating; processing of nonferrous metals; pattern printing; blacksmithing; industrial treatment of effluents; treatment of waste materials relating to environmental pollution control; rental of space heating apparatus; rental of electricity generators; recycling of waste and trash; treatment of waste water for industrial purposes

'apparatus':40 'blacksmith':22 'control':35 'effluent':26 'electr':43 'energi':6 'environment':33 'generat':44 'heat':39 'industri':23,55 'materi':30 'metal':13,14,19 'nonferr':18 'pattern':20 'plastic':3 'pollut':34 'print':21 'process':1,7,11,16 'product':4 'purpos':56 'recycl':45 'relat':31 'rental':36,41 'space':38 'steel':10 'structur':9 'trash':49 'treat':15 'treatment':24,27,50 'wast':29,47,52 'water':53

POSCO

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