PBL Jaxon Jacob and Javharro by Jaxon Manks https://padlet.com/jaxon_manks1/mjvrtorwim31 Made with whimsy en-us 2018-07-26 01:43:32 UTC 2023-02-28 04:51:44 UTC hello@padlet.com Arch bridges https://padlet.com/jaxon_manks1/mjvrtorwim31/wish/271151955 Description 
Arch bridges Are one of the oldest types of bridges
How arch bridges are designed it’s made from steel or reinforced concrete and at the top of some arch bridges there are curves on them to support the bridge and some arch bridges trains ride on it to get to olaces]]> 2018-07-26 02:22:40 UTC https://padlet.com/jaxon_manks1/mjvrtorwim31/wish/271151955 Beam bridge jaxon_manks1 https://padlet.com/jaxon_manks1/mjvrtorwim31/wish/271152222 Yay]]> 2018-07-26 02:24:34 UTC https://padlet.com/jaxon_manks1/mjvrtorwim31/wish/271152222 Jacob https://padlet.com/jaxon_manks1/mjvrtorwim31/wish/271152816 The bridges are 2000 km long and they using strong cables to hold it up and concret at both ends to keep it in place

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