Abstract: A deformable assembling rack includes: two vertical posts having one lateral surface thereof formed with a concave slot, and plural connection rod sets connected between the vertical posts and respectively having a first connection rod and a second connection rod, wherein the first and the second connection rods are respectively formed with a first end pivoted in the concave slots, and respectively formed with a second end disposed with a pivotal part for the purpose of pivoting, the first connection rod and the second connection rods can be displaced towards a preset direction to a folded location for being adjacent to inner wall surfaces of the vertical posts, or to be displaced to an unfolded location for being perpendicular to the inner wall surfaces of the vertical posts, thereby being able to be folded for forming as a rod body or unfolded for being in an operating status.

Abstract: A computer-based method for playing multimedia files at a workstation in a production line is disclosed. The method comprises: (a) detecting periodically if a current time has reached a scheduled play time to play one or more multimedia files according to a play file schedule stored in a storage system at the workstation; (b) in response to the current time reaching the scheduled play time, downloading the multimedia files from a database system to the storage system upon condition that the multimedia file does not exit in the storage system; (c) playing the multimedia file via a display device.