['Concluding', ',', 'Nb+B', 'inoculation', 'is', 'a', 'promising', 'candidate', 'for', 'the', 'refinement', 'of', 'cast', 'Al', 'alloy', 'which', 'could', 'lead', 'to', 'their', 'wider', 'employment', 'in', 'the', 'automotive', 'industry', 'with', 'the', 'resultant', 'intrinsic', 'advantages', 'of', 'lighter', 'structural', 'component', 'from', 'an', 'environmental', 'point', 'of', 'view', '.']