For light traveling perpendicularly to the optical axis the beams will have the same direction. It differs from "Dyoplosaurus" in possessing sacral ribs that perpendicularly point outwards. By integrating two devices perpendicularly on a single die a two-axis accelerometer can be made. The back layer has conductive stripes printed perpendicularly to those of the front layer. This prevents skew due to the connector being mounted perpendicularly on a PCB. Enclosing limestone cliffs rise perpendicularly some 15,000 feet. The others known were disc maces with oddly formed stones mounted perpendicularly to their handle. Sometimes there is a large central furrow, with smaller fissures branching perpendicularly. Nelson instead arranged his ships into columns sailing perpendicularly into the enemy fleet's line. The Air Motion Transformer tweeter works by pushing air out perpendicularly from the pleated diaphragm. They often shot at the mark or shot arrows perpendicularly into space. Indeed, Escher wrote that the fish move "perpendicularly to the boundary". Harps' strings rise approximately perpendicularly from the soundboard. The colony developed around a central street (decumanus), cut perpendicularly by minor streets. Access roads branch perpendicularly off BR-230 allowing deeper penetration into the surrounding jungle areas.