http://www.l-com.com/images/usb_connector-types.jpg
http://www.l-com.com/images/usb-tutorial_connectors.gif
https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Types-usb_th1.svg/220px-Types-usb_th1.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/6/67/USB.svg/220px-USB.svg.png
http://sysadm.pp.ua/wp-content/uploads/2013/10/usb_connectors_02.jpg
http://www.l-com.com/images/usb_cable-construction.jpg