Piston Bully tracked bulldozer vehicles building silage clamp of sweetcorn maize in field stored for biofuel, Alderton, Suffolk, England, UK

Engineer applying lubricating oil to piston for 6.3 litre V8 engine, Mercedes-AMG engine production factory in Affalterbach, Bavaria, Germany, Europe

Extreme Close-Up Of A Colourful Lily's Stamen And Pistons, Calgary, Alberta, Canada