Vulcanization accelerators; Rubber preservatives; [ Carbon black for industrial purposes; Chemicals used in the manufacture of enamel, namely, enamel-staining chemicals; Chemicals used in the manufacture of glass, namely, glass-staining chemicals; Chemical substances for preserving foodstuffs; Sulfates; Carbonates; ] Chemical intensifiers for rubber, namely, industrial chemical reagents for efficiently vulcanizing rubber [ ; Mineral acids; Adhesives for industrial purposes ]

'acceler':2 'acid':54 'adhes':55 'black':6 'carbon':5,40 'chemic':10,21,22,33,34,41,47 'effici':50 'enamel':16,19 'enamel-stain':18 'foodstuff':38 'glass':28,31 'glass-stain':30 'industri':8,46,57 'intensifi':42 'manufactur':14,26 'miner':53 'name':17,29,45 'preserv':4,37 'purpos':9,58 'reagent':48 'rubber':3,44,52 'stain':20,32 'substanc':35 'sulfat':39 'use':11,23 'vulcan':1,51

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