An electrometer for use in measuring current is provided. The hierarchically structured menu may have a main menu, a plurality of submenus, and menu items. Consequently, loud speakers from which poor quality voices and good quality voices are output can be separated from one another, thus improving the total intelligibility of received voices. The present invention also provides containers having a multilayered body-forming portion including: a layer comprising the aforementioned blend; and one or more layers of a formable polymer composition. The second locking mechanism may be engaged upon closing a second door assembly. In a preferred embodiment, the figurative print comprises a primary, a secondary, and a tertiary figurative element.