Sky's economics and data editor Ed Conway visits chemical plants across the country that are critical to our food security, defence sector and pharmaceuticals. It's an industry disappearing in plain sight. #skynews #chemicals #economics SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok:

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