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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A moveable bridge is a bridge that moves to allow passage for boats or barges. An advantage of making bridges movable include lower price, due to the absence of high piers and long approaches. The principal disadvantage is that the traffic on the bridge must be halted when it is opened for passages. For seldom-used railroad bridges over busy channels, the bridge may be left open and then closed for train passages. For small bridges, bridge movement may be enabled without the need for an engine. Full Product DetailsAuthor: Aaron Philippe TollPublisher: Ceed Publishing Imprint: Ceed Publishing Dimensions: Width: 15.20cm , Height: 0.50cm , Length: 22.90cm Weight: 0.122kg ISBN: 9786138084525ISBN 10: 6138084527 Pages: 76 Publication Date: 28 October 2011 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: Not yet available  This item is yet to be released. You can pre-order this item and we will dispatch it to you upon its release. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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