20 Lockers and structural locker components, namely, locker frames and panels, modular panels, interlocking panels, corrugated panels, hinge channels, hinge rods, lock channels, shelves, sloping shelves with drain slots, shelves that interlock with body panels, door, doors with rounded profiles, coin-operated metal locking systems comprising rear-loaded locks, cash drawers, and coin receptacles, sold together with the lockers and locker components as a unit