TPO Roof Replaces Leaking Inverted Roof-Membrane Assembly System. By Dan Hounsell, Editor July 2010 - Roofing Article Use Policy. The problematic roof was an inverted roof-membrane assembly (IRMA), which consisted of a built-up membrane installed over a structural concrete slab and topped by insulation.
DVI vs. VGA. VGA and DVI connectors are used to transmit video from a source (like a computer or tablet) to a display device (like a monitor, TV or projector). The main difference between VGA and DVI is in the way the video signals travel. VGA connectors and cables carry analog signals while DVI can carry both analog and digital.
DVI-I cables can carry either digital or analogue signals, but DVI-D cables carry only digital information. DVI-I cables have four extra pins and will not fit into a DVI-D socket.You can tell DVI-I and DVI-D cables apart by looking at the pins inside the connector. On the left side of the connector is a large flat 'pin'. If this pin is flanked by two pairs of smaller pins and arranged in a square, you have a DVI-I cable.VI-I cables can carry either digital or analogue signals, but DVI-D cables carry only digital information. DVI-I cables have four extra pins and will not fit into a DVI-D socket.