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World’s First Outside Vacuum Cleaner to Filter Dirty Air
Read the full article online at http://www.ecowatch.com “A Dutch tech startup called Envinity Group has unveiled a giant outdoor vacuum cleaner designed to filter the tiniest toxic specks from the atmosphere. The invention was presented at the Offshore Energy trade fair in Amsterdam on Tuesday. “It’s a large industrial filter about 8 meters (26 feet) long, made […]