1.0 video FX108.51E | Examples of Obstructed Construction: Semi-Mill Construction 960 540 iPlayerHD https://iplayerhd.com <iframe src="//iplayerhd.com/player/video/cfddf104-c62c-493a-b248-1aae69abf09c?cbartype=over" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="960" height="540"></iframe>