There is a reason that politicians don hard hats for photo opportunities in factories and warehouses. Images like this of people in safety gear working on infrastructure are well-understood short-hand for 'hard work', and our research suggests that depicting 'experts' with the technologies is better than showing the technologies on their own.
WHAT IT SHOWS: UK. Scotland. Orkney islands. Renewable energy. Pelamis Wave power machine docked at Lyness on island of Hoy. Workers conduct scheduled maintenance while the machine is on the quaiside. 2013