The selected vendor will furnish, install, operate, maintain and relocate as necessary, all vending machines. 1.1.1 All Vending Machines shall be: 1.1.1.1 Quality, state-of-the-art, modern production models at the initial installation. 1.1.1.2 Aesthetically pleasing and consistent in appearance at each location. 1.1.1.3 Eco-friendly and energy-conserving equipment to the greatest extent possible. 1.1.1.4 Equipped with a recording counter or meter to provide a record and check of individual sale against cash received. 1.1.1.5 Equipped to provide overload protection and include all necessary safety devices. All machines shall meet Underwriters Laboratories (UL) approval, industry approvals, and GSFC Safety Standards. 1.1.1.6 Maintained, at the contractor’s expense, and in operating condition at all times, including meters and special attachments. 1.1.1.7 Provide a label for easy viewing to inform customers whom to contact if they have problems with lost currency, damaged product, or other vending problems. All problems shall be corrected within 24 hours of notification.