???Liner??? means any rigid or semi-rigid material, such as plastic, which is inserted within a bin or drawer, or within an individual compartment (whether formed by another drawer liner, or formed by a ???cubie??? or ???mini-drawer,??? non-limiting examples of which are shown in FIGS. 13A-13C, 16, 19 and 20) for use in a medication cart, automatic dispensing machine, or other storage device.