Solution details :

 - To check if the crate is specific to Delhaize or not.
         - If the original is not Delhaize then to reverse the crate in a Delhaize
                delhaize.
         - Total control on all the crates.
         - Check the quality of the crates received. 
         - If a crate is not accepted it must be turned over.
         - weighing of crate.
         - to stick tag RFID on crate.
         - Each crate contains a single tag which identifies it. 
         - weighing of crate.
         - The scale is connected to a voice server which will confirm the weight                       using a load speaker.
         - The scale is connected with a printer of tags RFID.
         - The scale contains a button.
         - Clicks on the button allows to print label RFID.
         - To stick label RFID on crate Delhaize.
         - The information of the tag will be:
               * Be sent directly to EdiPax: EdiPax generates informations of                                     traceability.
               * Sent to Delhaize : (IT information (login information, Web Service)) and                   Delhaize posting to EdiPax.

Solution diagram :