Wikimedia Hackathon 2013, Amsterdam
Sebastiaan ter Burg
CC BY 2.0
Science,_Technology_and_Engineering
Geralt
CC0 1.0
Code
James Osborne
Public Domain
Wheel_on_“Peggy,”_a_Lima_Shay_Geared_Steam_Locomotive_(SN_2172)
Steven Fine
CC-BY-SA 4.0
Backlit keyboard
Colin
CC BY-SA 4.0
US Navy 091114-N-5549O-135 Robert Bowker welds the initials of Susan Ford Bales into the keel of the aircraft carrier Gerald R. Ford (CVN 78) during a keel laying and authentication ceremony
U.S. Navy photo by Mass Communication Specialist 2nd Class Kevin S. O'Brien
Public domain
Fitters with tower rail car and tower truck repairing tramway overhead line
Richard Peter
CC-BY-SA 3.0
Hacker(ni)s_-_Firefox_Appdays_Kathmandu
Avinash
CC BY-SA 2.0
