Valves controlling the flow of drilling lubricants on an oil rig in the North Sea.

---

Size: 3606px × 5379px
Photo credit: © PETER RYAN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 3, air, airport, aisle, bag, baggage, building, built, business, changi, communication, connecting, gate, group, hub, information, interior, large, lounge, passenger, people, person, seat, sign, singapore, structure, terminal, tourism, transport, transportation, travel, traveler, travelers, traveller, travellers, trolley, walkway