Services Granting To The Marketing Of Travel Accessory Products To The Conventional Metro Network Stations (L1, L2, L3, L4 And L5) Automatic Line (L11), And At The Funicular Facilities, Exploited By Ferrocarril Metropolità De Barcelona S.A., Through The Installation, Exploitation, Replacement, Maintenance And Collection Of Automatic Machines For Sale Of Products At The Referrals.