This rather funny-looking wrench is known as the Allen key/wrench. However, this name is trademarked, so the generic name for this wrench is hex key. Watch the video carefully and see what this...
Shared on Flickr by Tejvan Pettinger Source: adventure.howstuffworks.com 1. When did the term "bicycle" first entered into popular usage? In the 1860s in where else but France. 2. The smallest bicycle ever created...