A packaging container mainly includes a box having an open top and a first flange horizontally outward extended from a periphery of the open top, and a cover having a second flange horizontally outward extended from a periphery of the cover corresponding to the first flange. The protocol stack logic of the network device includes shim logic that receives traffic and processes it to determine to where it is to be directed. The removing is executed through gas driving in a direction substantially transverse to the straight movement.