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Invention Rankings

Simply drag your choices to the right to order them

Rank the Greatest InventionsRank these inventions according to the commercial impact and wealth they've brought to Canada (how you define that is up to you) . Drag your answers to the right and click the 'submit' button. Order the items from the following list. First select an item with the spacebar to show a menu of possible ranking positions. Next, click a ranking position to order it in the ranked list. Note the menu will display more ordering options as you add items to the ranked list.
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