Paraphrase the sentence: Prices of machinery and means of transport, which, along with mineral fuels, had the most significant effect on the decline in the overall index of import prices, fell for the third month, this time by 0.7%.
In the fifth month, this time by 0.7%, the prices of machinery and transport equipment were reduced, which, together with mineral fuels, had the main impact on the fall in the global price index of imports.