A cellular telephone subscriber who wishes directory assistance services is connected in the conventional manner to an operator who identifies a destination telephone number desired by the subscriber. Customers who want to report a slam or cram access the automated reporting system and report the complaint without having to speak with a customer service representative. 0\xd710\u22124 gg when dipped in pure water. When the blade is received in the handle, the fastening member is positioned in the taper hole and the locking member can abut the locking surface of the blade, so that the blade cannot be freely pivoted outwards to extend from the handle without the operation of the user. The casing comprises heating means 14 capable of heating the heat storage medium in accordance with the temperature conditions. The devices function by selectively binding an organophosphorous compound to a luminescent functionality-imprinted copolymer.