Abstract: The present invention relates to a system for content archiving and management with code readers. The system comprises a combination code comprising a number of code elements, said combination code having a plurality of combinations and capable of interacting with trigger conditions; a code reader for detecting said combination code and trigger conditions upon activation; a content database communicably linked to said code reader, wherein said content database is divided into a plurality of partitions based on different combinations of said combination code and an identity and a privilege order of a user; an output device communicably linked to said code reader and said content database; wherein said output device retrieves and outputs content stored in a corresponding partition of said content database upon said code reader detecting a combination of said combination code.

Abstract: A truss includes a first cap, a second cap, a core member, at least two struts, and a fastening member securing the struts to the core member between the first cap and the second cap. The struts are rotatably attached to the core member between the first cap and the second cap of an angle between 15° and 180°.