Security scrap storage container or bin

Large tiltable and transportable storage container or bin in which valuable scrap material, such as scrap lengths of copper cable, is deposited has a "one-way" deposit opening on its top which is closed by a hinged cover and hood which obstruct access to the interior of the bin in the open, closed, and all intermediate positions of the cover. Scrap lengths of copper cable are placed on the cover when in its open position, and are deposited by upending the cover to its closed position. Deposit opening, cover and hood have particular size and location on a top plate of the bin, to facilitate loading. Top area of bin also includes an unloading opening, preferably of particular extent, which is closed by a lockable cover.