Young Galapagos sea lions (Zalophus wollebaeki) at play underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Glowing iron rod being hammered into shape against an anvil by two smiths wearing long white leather gloves, Industrial Museum, Lauf an der Pegnitz, Bavaria, Germany, Europe

Specialist lecturer demonstrating a computer numerical control (CNC) milling machine, Master Craftman School of the Chamber of Small Industries and Skilled Trades for carpentry, Dusseldorf, North Rhine-Westphalia, Germany, Europe

Young stonemason, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Metal machining - working with an angle grinder.

Computer-controlled milling machine cutting shapes from a plastic plate

Scribing, marking with yard stick and pencil, Carpentering

Native Alaskan Youth On A Snowmachine Towing Another On Sled, City Of Barrow In The Background, North Slope, Arctic Alaska, USA, Winter