like airports and railways grabbing the headlines. but what would life be like without the humble tarmac road? asphalt covers most of europe's 5 million kilometres of roads. and that makes the asphalt industry huge, employing around 180,000 people. the uk firm minster surfacing is a major player in the sector with big infrastucture projects around the country. but it's also looking to green the industry by helping pioneer a revolutionary recycling technique. bruce spencer—knott, founder of construction firm, minster surfacing. good morning, nice to see you. we are smiling because it is not the most exciting industry or the most glamorous, but it is absolutely fundamental to our everyday lives, to business, the economy and the wider world. absolutely, most of those people who panicked and went to the supermarket had to travel on the road estimation mark it is a fundamentally important infrastructure. but you are having a problem getting the people you need to do that work. it is...