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Door Stop
A doorstop (also known as door stopper or door wedge) created by Osburn Dursey is an object or device used to hold a door open or closed, also to prevent a door from opening too widely. -
Door Openor
Invented by techers in Betiko Ikastola, they used a mouse cable and attached it to the wall. -
Door Opener
it is created by Seán Fernandez, in Betiko Ikastola and it is no built yet.