A system comprising: a plurality of containers (14, 22, 24, 26), each of which container (14, 22, 24, 26) has a radio frequency identification tag (18, 28a, 28b, 28c) attached at a lowermost end (14a, 22a, 24a, 26a) thereof; and a movable radio frequency identification reader (70, 90) coupled to a bearing carriage (72, 92) and movable in a direction parallel to the X-axis by a transmission system, the system being characterised in that the bearing carriage is also movable by the transmission system in a direction parallel to the Y-axis and in that the transmission system includes a first movable rod (82a, 102a) and a second movable rod (82b, 102b), the bearing carriage movable with the first movable rod in the direction parallel to the X-axis and movable with the second movable rod in the direction parallel to the Y-axis, movement of the first movable rod in the direction parallel to the X-axis moves the bearing carriage along the second movable rod, and movement of the second movable rod in the direction parallel to the Y-axis moves the bearing carriage along the first movable rod, the bearing carriage movable with at least one of the first movable rod or the second movable rod to position the movable radio frequency identification reader below the radio frequency identification tag (18, 28a, 28b, 28c), whereby information from the radio frequency identification tag (18, 28a, 28b, 28c) is read with an amount of noise and interference from nearby radio frequency identification tags (18, 28a, 28b, 28c) on other containers (14, 22, 24, 26) insufficient to adversely affect the integrity of the data read by the radio frequency identification reader. a plurality of containers (14, 22, 24, 26), each of which container (14, 22, 24, 26) has a radio frequency identification tag (18, 28a, 28b, 28c) attached at a lowermost end (14a, 22a, 24a, 26a) thereof; and a movable radio frequency identification reader (70, 90) coupled to a bearing carriage (72, 92) and movable in a direction parallel to the X-axis by a transmission system, the system being characterised in that the bearing carriage is also movable by the transmission system in a direction parallel to the Y-axis and in that the transmission system includes a first movable rod (82a, 102a) and a second movable rod (82b, 102b), the bearing carriage movable with the first movable rod in the direction parallel to the X-axis and movable with the second movable rod in the direction parallel to the Y-axis, movement of the first movable rod in the direction parallel to the X-axis moves the bearing carriage along the second movable rod, and movement of the second movable rod in the direction parallel to the Y-axis moves the bearing carriage along the first movable rod, the bearing carriage movable with at least one of the first movable rod or the second movable rod to position the movable radio frequency identification reader below the radio frequency identification tag (18, 28a, 28b, 28c), whereby information from the radio frequency identification tag (18, 28a, 28b, 28c) is read with an amount of noise and interference from nearby radio frequency identification tags (18, 28a, 28b, 28c) on other containers (14, 22, 24, 26) insufficient to adversely affect the integrity of the data read by the radio frequency identification reader.