“…This is also reported by Mai, Bogason, Arason, Arnason, and Matthiasson (2010) and Chryssochoidis, Karagiannaki, Pramatari, and Kehagia (2009). The technical solutions alphanumerical code, bar code, and Radio Frequency Identification Data (RFID) can be used to identify and read the identifiers of the traceable units (Bollen, Riden, & Opara, 2006;Regattieri et al, 2007). One of the disadvantages to the RFID-technology is the rather high cost in investment of suitable equipment (Storøy et al, 2008).…”