Abstract: A backpack can include a sheet of flexible material having a common surface defining a first panel, a second panel, and a third panel. Each panel is of substantially equal size with a first foldable hinge joint located between the first panel and the second panel, and a second foldable hinge joint located between the second panel and a third panel. The sheet of flexible material is foldable to define a transport configuration with each panel stacked with respect to one another, and a service configuration with each panel positioned side by side. A first pallet, a second pallet, and a third pallet; each pallet for receiving tools. A first shoulder strap and a second shoulder strap attached to the sheet of flexible material for carrying the backpack.

Abstract: A coin handling apparatus for receiving coins at one end of a coin transport channel, feeding the coins through the channel in single edge-to-edge file and discharging the coins through an outlet slot at the outlet end of the channel is disclosed. A security device located at the outlet end of the channel is in contact with a first coin next to the outlet slot and a second coin farther from the outlet slot. The security device prevents the first coin from being discharged through the outlet slot unless the first and second coins move simultaneously and with substantially equal speeds toward the outlet slot.