A portable, vacuum-powered collection device is useful in yard maintenance and other similar applications where debris, some of which may be bulky, is being collected. The invention also relates to a corresponding injection method. To ensure preparation of the device, the package is adapted to open the compartment and the package in one and the same opening action, preferably so that the compartment opens at the latest when the package opens. In at least some embodiments, the download manager user interface is presented responsive to input to the download bar user interface control. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part o the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core. The layered image assembly may be attached to an item, such as a substrate, envelope, package, magazine, etc.