confusing (adj.) - being difficult to understand clearly, consistent (adj.) - always in the same way, contribute (v) - to add money, time or a gift to a larger amount to achieve a goal, decline (v) - get smaller in amount, size or strength, extend (v) - to get larger or longer, industrial (adj.) - connected to the production of goods or services, military (adj) - connected to the army, the navy or the air force of a country, vital (adj.) - very important,

Module: English as a world language

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