Creative Commons Attribution-Share Alike 3.0 truetrue English Graphite (left) and diamond (right), two allotropes of carbon Burmese ကာဗွန်ဒြပ်စင် Urdu...
iRocks.com – CC-BY-SA-3.0 You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
New York with a 4,500,000 bushel capacity built by Monarch Engineering Company - from the January 1919 periodical, The American Elevator and Grain Trade...
public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. This file has been identified...
registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must be out of copyright in both the United States and in the source...
Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
Attribution 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...